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Blatch-Jones A, Nuttall J, Bull A, Worswick L, Mullee M, Peveler R, Falk S, Tape N, Hinks J, Lane AJ, Wyatt JC, Griffiths G. Using digital tools in the recruitment and retention in randomised controlled trials: survey of UK Clinical Trial Units and a qualitative study. Trials 2020; 21:304. [PMID: 32245506 PMCID: PMC7118862 DOI: 10.1186/s13063-020-04234-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 03/09/2020] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Recruitment and retention of participants in randomised controlled trials (RCTs) is a key determinant of success but is challenging. Trialists and UK Clinical Research Collaboration (UKCRC) Clinical Trials Units (CTUs) are increasingly exploring the use of digital tools to identify, recruit and retain participants. The aim of this UK National Institute for Health Research (NIHR) study was to identify what digital tools are currently used by CTUs and understand the performance characteristics required to be judged useful. METHODS A scoping of searches (and a survey with NIHR funding staff), a survey with all 52 UKCRC CTUs and 16 qualitative interviews were conducted with five stakeholder groups including trialists within CTUs, funders and research participants. A purposive sampling approach was used to conduct the qualitative interviews during March-June 2018. Qualitative data were analysed using a content analysis and inductive approach. RESULTS Responses from 24 (46%) CTUs identified that database-screening tools were the most widely used digital tool for recruitment, with the majority being considered effective. The reason (and to whom) these tools were considered effective was in identifying potential participants (for both Site staff and CTU staff) and reaching recruitment target (for CTU staff/CI). Fewer retention tools were used, with short message service (SMS) or email reminders to participants being the most reported. The qualitative interviews revealed five themes across all groups: 'security and transparency'; 'inclusivity and engagement'; 'human interaction'; 'obstacles and risks'; and 'potential benefits'. There was a high level of stakeholder acceptance of the use of digital tools to support trials, despite the lack of evidence to support them over more traditional techniques. Certain differences and similarities between stakeholder groups demonstrated the complexity and challenges of using digital tools for recruiting and retaining research participants. CONCLUSIONS Our studies identified a range of digital tools in use in recruitment and retention of RCTs, despite the lack of high-quality evidence to support their use. Understanding the type of digital tools in use to support recruitment and retention will help to inform funders and the wider research community about their value and relevance for future RCTs. Consideration of further focused digital tool reviews and primary research will help to reduce gaps in the evidence base.
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Affiliation(s)
- Amanda Blatch-Jones
- National Institute for Health Research, Evaluation, Trials and Studies Coordinating Centre (NETSCC), University of Southampton, Southampton, SO16 7NS UK
| | - Jacqueline Nuttall
- Southampton Clinical Trials Unit, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton General Hospital, Southampton, SO16 6YD UK
| | - Abby Bull
- National Institute for Health Research, Evaluation, Trials and Studies Coordinating Centre (NETSCC), University of Southampton, Southampton, SO16 7NS UK
| | - Louise Worswick
- National Institute for Health Research, Evaluation, Trials and Studies Coordinating Centre (NETSCC), University of Southampton, Southampton, SO16 7NS UK
| | - Mark Mullee
- NIHR RDS (Research Design Service) South Central Level C (805), South Academic Block, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD UK
| | - Robert Peveler
- NIHR Clinical Research Network Wessex, 7, Berrywood Business Village, Tollbar Way, Hedge End, Southampton, SO30 2UN UK
| | - Stephen Falk
- Bristol Cancer Institute, Horfield Road, Bristol, BS2 8ED UK
| | - Neil Tape
- Southampton General Hospital, University Hospital Southampton NHS Foundation Trust, Tremona Road, Southampton, SO16 6YD UK
| | - Jeremy Hinks
- University of Southampton, University Road, Highfield Campus, Southampton, SO17 1BJ UK
| | - Athene J. Lane
- Bristol Randomised Trials Collaboration, Bristol Medical School, University of Bristol, Bristol, BS8 2PS UK
| | - Jeremy C. Wyatt
- Wessex Institute, University of Southampton, Southampton, SO16 7NS UK
| | - Gareth Griffiths
- Southampton Clinical Trials Unit, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton General Hospital, Southampton, SO16 6YD UK
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Ibrahim K, Mullee M, Yao GL, Zhu S, Baxter M, Tilly S, Russell C, Roberts HC. Southampton Arm Fracture Frailty and Sarcopenia Study (SAFFSS): a study protocol for the feasibility of assessing frailty and sarcopenia among older patients with an upper limb fracture. BMJ Open 2019; 9:e031275. [PMID: 31420400 PMCID: PMC6701623 DOI: 10.1136/bmjopen-2019-031275] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
INTRODUCTION Falls are a major health problem for older people; 35% of people aged 65+ years fall every year, leading to fractures in 10%-15%. Upper limb fractures are often the first sign of osteoporosis and routine screening for osteoporosis is recommended by the National Institute for Health and Care Excellence to prevent subsequent hip fractures. However, both frailty and sarcopenia (muscle weakness) are associated with increased risk of falling and fracture but are not routinely identified in this group. The aim of this study is to evaluate the feasibility of assessing and managing frailty and sarcopenia among people aged 65+ years with an upper limb fracture. METHODS AND ANALYSIS This study will be conducted in three fracture clinics in one acute trust in England. 100 people aged 65+ years with an upper arm fracture will be recruited and assessed using six validated frailty measures and two sarcopenia tools. The prevalence of the two conditions and the best tools to use will be determined. Those with either condition will be referred to geriatric clinical teams for comprehensive geriatric assessment (CGA). We will document the proportion who are referred for CGA and those who receive CGA. Other outcome measures including falls, fractures and healthcare resource use over 6 months will be collected. In-depth interviews with a purposive sample of patients who undergo the frailty and sarcopenia assessments and healthcare professionals in fracture clinics and geriatric services will be carried out to their acceptability of assessing frailty and sarcopenia in a busy environment. ETHICS AND DISSEMINATION The study was given the relevant ethical approvals from NHS Research Ethics Committee (REC No: 18/NE/0377), the University Hospital Southampton NHS Foundation Trust, and the University of Southampton, Faculty of Medicine Ethics Committee and Research Governance Office. Findings will be published in scientific journals and presented to local, national and international conferences. TRIAL REGISTRATION NUMBER ISRCTN13848445.
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Affiliation(s)
- Kinda Ibrahim
- Academic Geriatric Medicine, Faculty of Medicine, Southampton University, Southampton, UK
- NIHR CLAHRC Wessex, University of Southampton, Southampton, UK
- Faculty of Medicine, University of Southampton, Southampton, UK
| | - Mark Mullee
- Faculty of Medicine, University of Southampton, Southampton, UK
| | - Guiqing Lily Yao
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - Shihua Zhu
- Faculty of Medicine, University of Southampton, Southampton, UK
| | - Mark Baxter
- Trauma and Orthopaedic Department, University Hospital Southampton NHS Foundation Trust, Southampton, UK
- Medicine for Older People, University Hospital Southampton, Southampton, UK
| | - Simon Tilly
- Trauma and Orthopaedic Department, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Cynthia Russell
- NIHR CLAHRC Wessex, University of Southampton, Southampton, UK
| | - Helen C Roberts
- Academic Geriatric Medicine, Faculty of Medicine, Southampton University, Southampton, UK
- NIHR CLAHRC Wessex, University of Southampton, Southampton, UK
- Faculty of Medicine, University of Southampton, Southampton, UK
- Trauma and Orthopaedic Department, University Hospital Southampton NHS Foundation Trust, Southampton, UK
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Little P, Stuart B, Francis N, Douglas E, Tonkin-Crine S, Anthierens S, Cals JWL, Melbye H, Santer M, Moore M, Coenen S, Butler CC, Hood K, Kelson M, Godycki-Cwirko M, Mierzecki A, Torres A, Llor C, Davies M, Mullee M, O'Reilly G, van der Velden A, Geraghty AWA, Goossens H, Verheij T, Yardley L. Antibiotic Prescribing for Acute Respiratory Tract Infections 12 Months After Communication and CRP Training: A Randomized Trial. Ann Fam Med 2019; 17:125-132. [PMID: 30858255 PMCID: PMC6411389 DOI: 10.1370/afm.2356] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 12/10/2018] [Accepted: 12/31/2018] [Indexed: 11/09/2022] Open
Abstract
PURPOSE C-reactive-protein (CRP) is useful for diagnosis of lower respiratory tract infections (RTIs). A large international trial documented that Internet-based training in CRP point-of-care testing, in enhanced communication skills, or both reduced antibiotic prescribing at 3 months, with risk ratios (RRs) of 0.68, 0.53, 0.38, respectively. We report the longer-term impact in this trial. METHODS A total of 246 general practices in 6 countries were cluster-randomized to usual care, Internet-based training on CRP point-of-care testing, Internet-based training on enhanced communication skills and interactive booklet, or both interventions combined. The main outcome was antibiotic prescribing for RTIs after 12 months. RESULTS Of 228 practices providing 3-month data, 74% provided 12-month data, with no demonstrable attrition bias. Between 3 months and 12 months, prescribing for RTIs decreased with usual care (from 58% to 51%), but increased with CRP training (from 35% to 43%) and with both interventions combined (from 32% to 45%); at 12 months, the adjusted RRs compared with usual care were 0.75 (95% CI, 0.51-1.00) and 0.70 (95% CI, 0.49-0.93), respectively. Between 3 months and 12 months, the reduction in prescribing with communication training was maintained (41% and 40%, with an RR at 12 months of 0.70 [95% CI, 0.49-0.94]). Although materials were provided for free, clinicians seldom used booklets and rarely used CRP point-of-care testing. Communication training, but not CRP training, remained efficacious for reducing prescribing for lower RTIs (RR = 0.7195% CI, 0.45-0.99, and RR = 0.76; 95% CI, 0.47-1.06, respectively), whereas both remained efficacious for reducing prescribing for upper RTIs (RR = 0.60; 95% CI, 0.37-0.94, and RR = 0.58; 95% CI, 0.36-0.92, respectively). CONCLUSIONS Internet-based training in enhanced communication skills remains effective in the longer term for reducing antibiotic prescribing. The early improvement seen with CRP training wanes, and this training becomes ineffective for lower RTIs, the only current indication for using CRP testing.
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Affiliation(s)
- Paul Little
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye).
| | - Beth Stuart
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Nick Francis
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Elaine Douglas
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Sarah Tonkin-Crine
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Sibyl Anthierens
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Jochen W L Cals
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Hasse Melbye
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Miriam Santer
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Michael Moore
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Samuel Coenen
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Chris C Butler
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Kerenza Hood
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Mark Kelson
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Maciek Godycki-Cwirko
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Artur Mierzecki
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Antoni Torres
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Carl Llor
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Melanie Davies
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Mark Mullee
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Gilly O'Reilly
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Alike van der Velden
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Adam W A Geraghty
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Herman Goossens
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Theo Verheij
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
| | - Lucy Yardley
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, United Kingdom (Little, Mullee, Stuart, O'Reilly, Moore, Geraghty, Santer); School of Psychological Science, University of Bristol, Bristol, United Kingdom (Yardley); Economics Division, Stirling Management School, University of Stirling, Stirling, UK (Douglas); Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands (Verheij, van der Velden); Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom (Butler, Tonkin-Crine); Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, United Kingdom (Francis); South East Wales Trials Unit, Centre for Trials Research, Cardiff University, Cardiff, United Kingdom (Hood); Department of Mathematics, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK (Kelson); Centre for Family and Community Medicine, Faculty of Health Sciences, Medical University of Łódź , Łódź , Poland (Godycki-Cwirko); Laboratory of Family Physician Education, Pomeranian Medical University, Szczecin, Poland (Mierzecki); Ely Bridge Surgery, Ely, Cardiff, United Kingdom (Davies); Pneumology Department, Clinic Institute of Thorax (ICT), Hospital Clinic of Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)-University of Barcelona (UB)-Ciber de Enfermedades Respiratorias (Ciberes) Villarroel, Barcelona, Spain (Torres); Department of Primary and Interdisciplinary Care (ELIZA), Department of Epidemiology and Social Medicine and Vaccine & Infectious Disease Institute (VAXIN-FECTIO), University of Antwerp, Antwerp, Belgium (Coenen); Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium (Goossens); Department of Primary and Interdisciplinary Care (ELIZA), Universityof Antwerp, Antwerp, Belgium (Anthierens); University Rovira i Virgili, Tarragona, Spain, Spanish Society of Family Medicine (semFYC) (Llor); Maastricht University/CAPHRI, Maastricht, The Netherlands (Cals); and General Practice Research Unit, Department of Community Medicine, UIT the Arctic University of Norway, Tromsø, Norway (Melbye)
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4
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Little P, Hobbs FDR, Moore M, Mant D, Williamson I, McNulty C, Lasseter G, Cheng MYE, Leydon G, McDermott L, Turner D, Pinedo-Villanueva R, Raftery J, Glasziou P, Mullee M. Corrigendum: PRImary care Streptococcal Management (PRISM) study: in vitro study, diagnostic cohorts and a pragmatic adaptive randomised controlled trial with nested qualitative study and cost-effectiveness study. Health Technol Assess 2018. [DOI: 10.3310/hta18060-c201810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Abstract
The text in Chapter 4, Results, Main findings, Complications has been replaced with the following text [these data do not alter the economic modelling (which was based on the correct data), nor the inferences from the trial that the FeverPAIN score is the optimal management approach]:
There were very few complications in any trial groups: during the first trial phase there were two cases of otitis media and one case of cellulitis in the clinical score group and one case of cellulitis in the delayed antibiotic group; during the second trial phase (when using the FeverPAIN score) there were two cases of quinsy in the delayed antibiotic group and one case of otitis media in the RADT group.
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Affiliation(s)
- Paul Little
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - FD Richard Hobbs
- Primary Care Clinical Sciences, University of Birmingham, Birmingham, UK
| | - Michael Moore
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - David Mant
- Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Ian Williamson
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Cliodna McNulty
- Public Health England, Primary Care Unit, Microbiology Laboratory, Gloucestershire Royal Hospital, Gloucester, UK
| | - Gemma Lasseter
- Public Health England, Primary Care Unit, Microbiology Laboratory, Gloucestershire Royal Hospital, Gloucester, UK
| | - MY Edith Cheng
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Geraldine Leydon
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Lisa McDermott
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - David Turner
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | | | - James Raftery
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Paul Glasziou
- Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Mark Mullee
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
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5
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Birmingham L, Mullee M. Development and evaluation of a screening tool for identifying prisoners with severe mental illness. Psychiatr bull 2018. [DOI: 10.1192/pb.29.9.334] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Aims and MethodTo develop and evaluate a screening tool based on the observational skills of prison officers to identify adult male prisoners with severe mental illness. The tool was developed from open-ended interviews with officers and diagnostic interviews with prisoners. A case–comparison study was used to evaluate the tool. Fifty prisoners identified using the tool and 50 randomly selected prisoners underwent diagnostic interviews to determine the proportion in each group with severe mental illness.ResultsFive behavioural indicators of severe mental illness were identified and incorporated into the tool. In the evaluation, 19 out of 50 (38%) of the cases identified were found to have severe mental illness compared with none in the comparison group.Clinical ImplicationsThe simple tool shows promise for the identification of prisoners with severe mental illness by prison officers. It does require further evaluation in other prison settings.
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6
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Little P, Stuart B, Wingrove Z, Mullee M, Thomas T, Johnson S, Leydon G, Richards-Hall S, Williamson I, Yao L, Zhu S, Moore M. Probiotic capsules and xylitol chewing gum to manage symptoms of pharyngitis: a randomized controlled factorial trial. CMAJ 2017; 189:E1543-E1550. [PMID: 29255098 DOI: 10.1503/cmaj.170599] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/22/2017] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Reducing the use of antibiotics for upper respiratory tract infections is needed to limit the global threat of antibiotic resistance. We estimated the effectiveness of probiotics and xylitol for the management of pharyngitis. METHODS In this parallel-group factorial randomized controlled trial, participants in primary care (aged 3 years or older) with pharyngitis underwent randomization by nurses who provided sequential intervention packs. Pack contents for 3 kinds of material and advice were previously determined by computer-generated random numbers: no chewing gum, xylitol-based chewing gum (15% xylitol; 5 pieces daily) and sorbitol gum (5 pieces daily). Half of each group were also randomly assigned to receive either probiotic capsules (containing 24 × 109 colony-forming units of lactobacilli and bifidobacteria) or placebo. The primary outcome was mean self-reported severity of sore throat and difficulty swallowing (scale 0-6) in the first 3 days. We used multiple imputation to avoid the assumption that data were missing completely at random. RESULTS A total of 1009 individuals consented, 934 completed the baseline assessment, and 689 provided complete data for the primary outcome. Probiotics were not effective in reducing the severity of symptoms: mean severity scores 2.75 with no probiotic and 2.78 with probiotic (adjusted difference -0.001, 95% confidence interval [CI] -0.24 to 0.24). Chewing gum was also ineffective: mean severity scores 2.73 without gum, 2.72 with sorbitol gum (adjusted difference 0.07, 95% CI -0.23 to 0.37) and 2.73 with xylitol gum (adjusted difference 0.01, 95% CI -0.29 to 0.30). None of the secondary outcomes differed significantly between groups, and no harms were reported. INTERPRETATION Neither probiotics nor advice to chew xylitol-based chewing gum was effective for managing pharyngitis. Trial registration: ISRCTN, no. ISRCTN51472596.
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Affiliation(s)
- Paul Little
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Beth Stuart
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Zoe Wingrove
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Mark Mullee
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Tammy Thomas
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Sophie Johnson
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Gerry Leydon
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Samantha Richards-Hall
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Ian Williamson
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Lily Yao
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Shihua Zhu
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
| | - Michael Moore
- Primary Care Group (Little, Stuart, Wingrove, Mullee, Thomas, Johnson, Leydon, Williamson, Moore); Health Economic Analyses Team (Yao, Zhu), Primary Care and Population Sciences Unit, University of Southampton; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK
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7
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Muir D, Vat LE, Keller M, Bell T, Jørgensen CR, Eskildsen NB, Johnsen AT, Pandya-Wood R, Blackburn S, Day R, Ingram C, Hapeshi J, Khan S, Muir D, Baird W, Pavitt SH, Boards R, Briggs J, Loughhead E, Patel M, Khalil R, Cooper D, Day P, Boards J, Wu J, Zoltie T, Barber S, Thompson W, Kenny K, Owen J, Ramsdale M, Grey-Borrows K, Townsend N, Johnston J, Maddison K, Duff-Walker H, Mahon K, Craig L, Collins R, O’Grady A, Wadd S, Kelly A, Dutton M, McCann M, Jones R, Mathie E, Wythe H, Munday D, Millac P, Rhodes G, Roberts N, Simpson J, Barden N, Vicary P, Wellings A, Poland F, Jones J, Miah J, Bamforth H, Charalambous A, Dawes P, Edwards S, Leroi I, Manera V, Parsons S, Sayers R, Pinfold V, Dawson P, Gibbons B, Gibson J, Hobson-Merrett C, McCabe C, Rawcliffe T, Frith L, Gudgin B, Wellings A, Horobin A, Ewart C, Higton F, Vanhegan S, Pandya-Wood R, Stewart J, Wragg A, Wray P, Widdowson K, Brighton LJ, Pask S, Benalia H, Bailey S, Sumerfield M, Etkind S, Murtagh FEM, Koffman J, Evans CJ, Hrisos S, Marshall J, Yarde L, Riley B, Whitlock P, Jobson J, Ahmed S, Rankin J, Michie L, Scott J, Barker CR, Barlow-Pay M, Kekere-Ekun A, Mazumder A, Nishat A, Petley R, Brady LM, Templeton L, Walker E, Moore D, Shaw L, Nunns M, Thompson Coon J, Blomquist P, Cochrane S, Edelman N, Calliste J, Cassell J, Mader LB, Kläger S, Wilkinson IB, Hiemstra TF, Hughes M, Warren A, Atkins P, Eaton H, Keenan J, Poland F, Wythe H, Wellings A, Vicary P, Rhodes C, Skrybrant M, Blackburn S, Chatwin L, Darby MA, Entwistle A, Hull D, Quann N, Hickey G, Dziedzic K, Eltringham SA, Gordon J, Franklin S, Jackson J, Leggett N, Davies P, Nugawela M, Scott L, Leach V, Richards A, Blacker A, Abrams P, Sharma J, Donovan J, Whiting P, Stones SR, Wright C, Boddy K, Irvine J, Harris J, Joseph N, Kok M, Gibson A, Evans D, Grier S, MacGowan A, Matthews R, Papoulias C, Augustine C, Hoffman M, Doughty M, Surridge H, Tembo D, Roberts A, Chambers E, Beever D, Wildman M, Davies RL, Staniszewska S, Stephens R, Schroter S, Price A, Richards T, Demaine A, Harmston R, Elliot J, Flemyng E, Sproson L, Pryde L, Reed H, Squire G, Stanton A, Langley J, Briggs M, Brindle P, Sanders R, McDermott C, David C, Nicola H, Simon D, Martin W, Coldham T, Ballinger C, Kerridge L, Mullee M, Eyles C, Barlow-Pay M, Hickey G, Johns T, Paylor J, Turner K, Whiting L, Roberts S, Petty J, Meager G, Grinbergs-Saull A, Morgan N, Turner K, Collins F, Gibson S, Passmore S, Evans L, Green SA, Trite J, Matthews R, Hrisos S, Thomson R, Green D, Atkinson H, Mitchell A, Corner L, AM AMK, Nguyen R, Frank B, McNeil N, Harrison H. Abstracts from the NIHR INVOLVE Conference 2017. Res Involv Engagem 2017; 3:27. [PMCID: PMC5773864 DOI: 10.1186/s40900-017-0075-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Affiliation(s)
- Delia Muir
- Leeds Institute of Clinical Trials Research, University of Leeds, Leeds, UK
| | - Lidewij Eva Vat
- Newfoundland and Labrador’s Support for People and Patient-Oriented Research and Trials Unit, Memorial University Newfoundland, St. Johns, Newfoundland and Labrador Canada
| | - Malori Keller
- Saskatchewan Centre for Patient-Oriented Research, Health Quality Council, Saskatoon, Saskatchewan Canada
| | - Tim Bell
- Canadian Institutes of Health Research, Ottawa, Ontario Canada
| | - Clara R. Jørgensen
- Department of Disability, Inclusion and Special Needs, School of Education, University of Birmingham, Birmingham, UK
| | - Nanna B. Eskildsen
- Department of Palliative Medicine, Bispebjerg Hospital, DK-2400 Copenhagen, Denmark
- Department of Psychology, University of Southern Denmark, Odense, Denmark
| | - Anna T. Johnsen
- Department of Palliative Medicine, Bispebjerg Hospital, DK-2400 Copenhagen, Denmark
- Department of Psychology, University of Southern Denmark, Odense, Denmark
| | - Raksha Pandya-Wood
- National Institute for Health Research, Research Design Service East Midlands, Department of Health Sciences, University of Leicester, Leicester, UK
| | - Steven Blackburn
- National Institute for Health Research, Research Design Service West Midlands, Research Institute for Primary Care & Health Sciences, Keele University, Keele, UK
| | - Ruth Day
- National Institute for Health Research, Research Design Service East Midlands, Department of Health Sciences, University of Leicester, Leicester, UK
- Public contributor involved with the National Institute for Health Research, Research Design Service Public Involvement Community, Derby, UK
| | - Carol Ingram
- National Institute for Health Research, Research Design Service West Midlands, Research Institute for Primary Care & Health Sciences, Keele University, Keele, UK
- Public contributor involved with the National Institute for Health Research, Research Design Service Public Involvement Community, Derby, UK
| | - Julie Hapeshi
- National Institute for Health Research, Research Design Service South West, Gloucestershire Royal Hospital, Gloucester, UK
| | - Samaira Khan
- National Institute for Health Research, Research Design Service Yorkshire and Humber, School of Health and Related Research, University of Sheffield, Sheffield, UK
| | - Delia Muir
- National Institute for Health Research, Research Design Service Yorkshire and Humber, Leeds Institute for Clinical Trials Research, University of Leeds, Leeds, UK
| | - Wendy Baird
- National Institute for Health Research, Research Design Service Yorkshire and Humber, School of Health and Related Research, University of Sheffield, Sheffield, UK
| | - Sue H. Pavitt
- School of Dentistry, University of Leeds, Leeds, UK
- The SMILE AIDERS Patient Public Involvement & Engagement Forum School of Dentistry, University of Leeds, Leeds, UK
| | - Richard Boards
- The SMILE AIDERS Patient Public Involvement & Engagement Forum School of Dentistry, University of Leeds, Leeds, UK
| | - Janet Briggs
- The SMILE AIDERS Patient Public Involvement & Engagement Forum School of Dentistry, University of Leeds, Leeds, UK
| | - Ellen Loughhead
- The SMILE AIDERS Patient Public Involvement & Engagement Forum School of Dentistry, University of Leeds, Leeds, UK
- Batley Girls High School, Batley, UK
| | - Mariya Patel
- The SMILE AIDERS Patient Public Involvement & Engagement Forum School of Dentistry, University of Leeds, Leeds, UK
- Batley Girls High School, Batley, UK
| | - Rameesa Khalil
- The SMILE AIDERS Patient Public Involvement & Engagement Forum School of Dentistry, University of Leeds, Leeds, UK
- Batley Girls High School, Batley, UK
| | | | - Peter Day
- School of Dentistry, University of Leeds, Leeds, UK
| | - Jenny Boards
- School of Dentistry, University of Leeds, Leeds, UK
- The SMILE AIDERS Patient Public Involvement & Engagement Forum School of Dentistry, University of Leeds, Leeds, UK
| | - Jianhua Wu
- School of Dentistry, University of Leeds, Leeds, UK
| | | | - Sophy Barber
- School of Dentistry, University of Leeds, Leeds, UK
| | | | - Kate Kenny
- School of Dentistry, University of Leeds, Leeds, UK
| | - Jenny Owen
- School of Dentistry, University of Leeds, Leeds, UK
| | | | | | | | | | - Katie Maddison
- School of Performance & Cultural Industries, University of Leeds, Leeds, UK
| | - Harry Duff-Walker
- School of Performance & Cultural Industries, University of Leeds, Leeds, UK
| | - Katie Mahon
- School of Performance & Cultural Industries, University of Leeds, Leeds, UK
| | - Lily Craig
- School of Performance & Cultural Industries, University of Leeds, Leeds, UK
| | - Rebecca Collins
- School of Performance & Cultural Industries, University of Leeds, Leeds, UK
| | - Alice O’Grady
- School of Performance & Cultural Industries, University of Leeds, Leeds, UK
| | - Sarah Wadd
- Substance Misuse and Ageing Research Team (SMART), Institute of Applied Social Research, University of Bedfordshire, Luton, UK
| | - Adrian Kelly
- Substance Misuse and Ageing Research Team (SMART), Institute of Applied Social Research, University of Bedfordshire, Luton, UK
| | - Maureen Dutton
- Substance Misuse and Ageing Research Team (SMART), Institute of Applied Social Research, University of Bedfordshire, Luton, UK
| | - Michelle McCann
- Substance Misuse and Ageing Research Team (SMART), Institute of Applied Social Research, University of Bedfordshire, Luton, UK
| | - Rebecca Jones
- Substance Misuse and Ageing Research Team (SMART), Institute of Applied Social Research, University of Bedfordshire, Luton, UK
| | - Elspeth Mathie
- CRIPACC, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Helena Wythe
- CRIPACC, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Diane Munday
- Public Involvement in Research Group, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Paul Millac
- Public Involvement in Research Group, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Graham Rhodes
- INsPIRE PPI Group, Cambridgeshire Community Services NHS Trust, Ely, Cambridgeshire, UK
| | - Nick Roberts
- INsPIRE PPI Group, Cambridgeshire Community Services NHS Trust, Ely, Cambridgeshire, UK
| | - Jean Simpson
- Cambridge University Hospital (CUH) Patient and Public Involvement Panel, Cambridgeshire, UK
| | - Nat Barden
- Service User and Research Group, Cambridge and Peterborough Foundation Trust, Cambridgeshire, UK
| | - Penny Vicary
- Public & Patient Involvement in Research (PPIRes), Norfolk and Suffolk, UK
| | - Amander Wellings
- Public & Patient Involvement in Research (PPIRes), Norfolk and Suffolk, UK
| | | | - Julia Jones
- CRIPACC, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Jahanara Miah
- Division of Neuroscience and Experimental Psychology, University of Manchester, Manchester, UK
- Public Programmes Team, Research and Innovation Division, Central Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - Howard Bamforth
- SENSE-Cog Research User Group, Division of Neuroscience and Experimental Psychology, University of Manchester, Manchester, UK
| | - Anna Charalambous
- Department of Health Sciences, European University Cyprus, Nicosia, Cyprus
| | - Piers Dawes
- Manchester Centre for Audiology and Deafness (ManCAD), Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Steven Edwards
- Public Programmes Team, Research and Innovation Division, Central Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - Iracema Leroi
- Division of Neuroscience and Experimental Psychology, University of Manchester, Manchester, UK
| | - Valeria Manera
- CoBTeK COgnition Behaviour Technology, Universite de Nice Sophia Antipolis, Nice, France
| | - Suzanne Parsons
- Public Programmes Team, Research and Innovation Division, Central Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | | | | | - Paul Dawson
- Lancashire Care NHS Foundation Trust, Preston, UK
| | | | | | | | | | | | - Lucy Frith
- National Institute for Health Research (NIHR), Research Design Service North West, University of Liverpool, Liverpool, UK
| | | | | | - Adele Horobin
- National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, UK
- Nottingham University Hospitals NHS Trust, Queens Medical Centre, Nottingham, UK
| | | | | | | | - Raksha Pandya-Wood
- National Institute for Health Research (NIHR) East Midlands Research Design Service, Department of Health Sciences, University of Leicester, Leicester, UK
| | - Jane Stewart
- National Institute for Health Research (NIHR) East Midlands Research Design Service, School of Medicine, University of Nottingham, Nottingham Health Science Partners, Queen’s Medical Centre, Nottingham, UK
| | - Andy Wragg
- Nottingham University Hospitals NHS Trust, Queens Medical Centre, Nottingham, UK
- National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Queen’s Medical Centre, Nottingham, UK
| | - Paula Wray
- INVOLVE Coordinating Centre, University of Southampton, Southampton, UK
| | - Kirsty Widdowson
- Nottingham University Hospitals NHS Trust, Queens Medical Centre, Nottingham, UK
| | - Lisa Jane Brighton
- Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK
| | - Sophie Pask
- Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK
| | - Hamid Benalia
- Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK
| | - Sylvia Bailey
- Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK
| | - Marion Sumerfield
- Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK
| | - Simon Etkind
- Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK
| | - Fliss E. M. Murtagh
- Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK
- Wolfson Palliative Care Research Centre, Hull York Medical School, University of Hull, Hull, UK
| | - Jonathan Koffman
- Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK
| | - Catherine J. Evans
- Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute, King’s College London, London, UK
- Department of Palliative Medicine, Sussex Community NHS Foundation Trust, Brighton, UK
| | - Susan Hrisos
- Institute of Health & Society, Newcastle University, Newcastle upon Tyne, UK
| | | | | | - Bren Riley
- Riverside Project, Newcastle upon Tyne, UK
| | | | | | - Safia Ahmed
- Health and Race Equality Forum, Newcastle upon Tyne, UK
| | - Judith Rankin
- Institute of Health & Society, Newcastle University, Newcastle upon Tyne, UK
| | - Lydia Michie
- Institute of Health & Society, Newcastle University, Newcastle upon Tyne, UK
| | - Jason Scott
- Institute of Health & Society, Newcastle University, Newcastle upon Tyne, UK
| | - Caroline R. Barker
- National Institute for Health Research Southampton Clinical Research Facility and Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Southampton, Hampshire, UK
| | - Megan Barlow-Pay
- National Institute for Health Research Design Service South Central, University of Southampton, Southampton, Hampshire, UK
| | - Aisha Kekere-Ekun
- Young Adult Patient and Public Involvement Group member, Southampton, Hampshire, UK
| | - Aniqa Mazumder
- Young Adult Patient and Public Involvement Group member, Southampton, Hampshire, UK
| | - Aniqa Nishat
- Young Adult Patient and Public Involvement Group member, Southampton, Hampshire, UK
| | - Rebecca Petley
- Young Adult Patient and Public Involvement Group member, Southampton, Hampshire, UK
| | - Louca-Mai Brady
- Kingston and St George’s Joint Faculty and Independent Research Consultant, London, UK
| | | | - Erin Walker
- Centre for Outcomes and Experiences Research in Child Health, Illness and Disease, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Darren Moore
- National Institute of Health Research Peninsula Collaboration for Leadership in Applied Health Research & Care, University of Exeter Medical School, Exeter, UK
| | - Liz Shaw
- National Institute of Health Research Peninsula Collaboration for Leadership in Applied Health Research & Care, University of Exeter Medical School, Exeter, UK
| | - Michael Nunns
- National Institute of Health Research Peninsula Collaboration for Leadership in Applied Health Research & Care, University of Exeter Medical School, Exeter, UK
| | - Jo Thompson Coon
- National Institute of Health Research Peninsula Collaboration for Leadership in Applied Health Research & Care, University of Exeter Medical School, Exeter, UK
| | - Paula Blomquist
- Public Health England, London, UK
- National Institute for Health Research (NIHR) Health Protection Research Unit in Blood Borne and Sexually Transmitted Infections at UCL, London, UK
| | - Sarah Cochrane
- University Hospitals Bristol NHS Foundation Trust, Bristol, UK
| | - Natalie Edelman
- Brighton & Sussex Medical School, Brighton, UK
- University of Brighton, Brighton, UK
| | - Josina Calliste
- National Institute for Health Research (NIHR) Health Protection Research Unit in Blood Borne and Sexually Transmitted Infections at UCL, London, UK
| | - Jackie Cassell
- National Institute for Health Research (NIHR) Health Protection Research Unit in Blood Borne and Sexually Transmitted Infections at UCL, London, UK
- Brighton & Sussex Medical School, Brighton, UK
| | - Laura B. Mader
- School of Clinical Medicine, University of Cambridge, Cambridge, UK
- Cambridge Clinical Trials Unit, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Sabine Kläger
- Cambridge Clinical Trials Unit, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Ian B. Wilkinson
- School of Clinical Medicine, University of Cambridge, Cambridge, UK
| | - Thomas F. Hiemstra
- School of Clinical Medicine, University of Cambridge, Cambridge, UK
- Cambridge Clinical Trials Unit, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Mel Hughes
- Faculty of Health and Social Sciences, Bournemouth University, Bournemouth, UK
| | - Angela Warren
- PIER (Public Involvement in Education and Research) partnership, Bournemouth University, Bournemouth, UK
| | - Peter Atkins
- PIER (Public Involvement in Education and Research) partnership, Bournemouth University, Bournemouth, UK
| | - Hazel Eaton
- Research and Development, Dorset Healthcare University NHS Foundation Trust, Dorset, UK
| | | | | | - Helena Wythe
- University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Amander Wellings
- Members of the Patient and Public in Research Group (PPIRes), NHS South Norfolk Clinical Commissioning Group, Norwich, Norfolk, UK
| | - Penny Vicary
- Members of the Patient and Public in Research Group (PPIRes), NHS South Norfolk Clinical Commissioning Group, Norwich, Norfolk, UK
| | - Carol Rhodes
- NIHR Research Design Service West Midlands, Research Institute for Primary Care & Health Sciences, Keele University, Staffordshire, UK
| | - Magdalena Skrybrant
- NIHR Collaboration for Leadership in Health Research and Care West Midlands, Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Steven Blackburn
- NIHR Research Design Service West Midlands, Research Institute for Primary Care & Health Sciences, Keele University, Staffordshire, UK
| | - Lucy Chatwin
- Academic Health Science Network West Midlands, Institute of Translational Medicine, Queen Elizabeth Hospital, Birmingham, UK
| | - Mary-Anne Darby
- NIHR Clinical Research Network West Midlands, Greyfriars Business Park, Stafford, UK
| | - Andrew Entwistle
- NIHR Clinical Research Network West Midlands, Greyfriars Business Park, Stafford, UK
| | - Diana Hull
- NIHR/Wellcome Trust Birmingham Clinical Research Facility, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Naimh Quann
- NIHR/Wellcome Trust Birmingham Clinical Research Facility, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Gary Hickey
- INVOLVE, University of Southampton Science Park, Southampton, UK
| | - Krysia Dziedzic
- NIHR Research Design Service West Midlands, Research Institute for Primary Care & Health Sciences, Keele University, Staffordshire, UK
| | - Sabrina A. Eltringham
- Directorate of Therapeutics and Palliative, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Jim Gordon
- Directorate of Therapeutics and Palliative, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Sue Franklin
- Directorate of Therapeutics and Palliative, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Joni Jackson
- The National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care West (NIHR CLAHRC West) at University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Nick Leggett
- The National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care West (NIHR CLAHRC West) at University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Philippa Davies
- The National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care West (NIHR CLAHRC West) at University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Manjula Nugawela
- The National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care West (NIHR CLAHRC West) at University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Lauren Scott
- The National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care West (NIHR CLAHRC West) at University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Verity Leach
- The National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care West (NIHR CLAHRC West) at University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Alison Richards
- The National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care West (NIHR CLAHRC West) at University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Anthony Blacker
- University Hospitals Coventry and Warwickshire, Coventry, UK
| | | | - Jitin Sharma
- University Hospitals Coventry and Warwickshire, Coventry, UK
| | - Jenny Donovan
- The National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care West (NIHR CLAHRC West) at University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Penny Whiting
- The National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care West (NIHR CLAHRC West) at University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Simon R. Stones
- NIHR: CRN Children/Arthritis Research UK Paediatric Rheumatology Clinical Studies Group, Liverpool, UK
| | - Catherine Wright
- NIHR: CRN Children/Arthritis Research UK Paediatric Rheumatology Clinical Studies Group, Liverpool, UK
| | - Kate Boddy
- NIHR CLAHRC South West Peninsula (PenCLAHRC), University of Exeter Medical School, Exeter, UK
| | - Jenny Irvine
- NIHR CLAHRC North West Coast (CLAHRC NWC), Based at Division of Health Research, Lancaster University, Lancaster, UK
| | - Jim Harris
- Peninsula Public Involvement Group (PenPIG), PenCLAHRC, South West Peninsula, Exeter, UK
| | - Neil Joseph
- Public Reference Panel (PRP), CLAHRC NWC, North West Coast area, Liverpool, UK
| | - Michele Kok
- Department of Health and Social Sciences, University of the West of England, Bristol, UK
| | - Andy Gibson
- Department of Health and Social Sciences, University of the West of England, Bristol, UK
| | - David Evans
- Department of Health and Social Sciences, University of the West of England, Bristol, UK
| | - Sally Grier
- Department of Medical Microbiology, North Bristol NHS Trust, Bristol, UK
| | - Alasdair MacGowan
- Department of Medical Microbiology, North Bristol NHS Trust, Bristol, UK
| | - Rachel Matthews
- NIHR CLAHRC Northwest London, Imperial College London/Chelsea and Westminster NHS Foundation Trust, London, UK
| | | | - Cherelle Augustine
- NIHR CLAHRC Northwest London, Imperial College London/Chelsea and Westminster NHS Foundation Trust, London, UK
| | - Maurice Hoffman
- NIHR CLAHRC Northwest London, Imperial College London/Chelsea and Westminster NHS Foundation Trust, London, UK
| | | | - Heidi Surridge
- NIHR Evaluation Trials and Studies Coordinating Centre (NETSCC), Southampton, UK
| | - Doreen Tembo
- NIHR Evaluation Trials and Studies Coordinating Centre (NETSCC), Southampton, UK
| | - Amanda Roberts
- Public member, NETSCC Public Involvement Virtual Network and Public member of a Trial Steering Committee, Southampton, UK
| | - Eleni Chambers
- Public member, NETSCC PPI Reference Group, Southampton, UK
| | - Daniel Beever
- Clinical Trials Research Unit, School of Health and Related Research, University of Sheffield, Sheffield, South Yorkshire UK
| | - Martin Wildman
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, South Yorkshire UK
| | - Rosemary L. Davies
- Department of Health and Social Sciences, University of the West of England, Bristol, UK
- National Institute for Health Research, Collaborations for Leadership in Applied Health Research and Care West (NIHR CLAHRC West), University Hospitals Bristol NHS Foundation Trust, Bristol, UK
| | - Sophie Staniszewska
- Warwick Research in Nursing, Warwick Medical School, University of Warwick, Warwick, UK
| | | | | | - Amy Price
- The BMJ, London, UK
- Department of Continuing Education, University of Oxford, Oxford, UK
| | | | | | | | | | | | - Lise Sproson
- NIHR Devices for Dignity Health Technology Co-operative, Sheffield, UK
| | - Liz Pryde
- NIHR Devices for Dignity Health Technology Co-operative, Sheffield, UK
| | - Heath Reed
- Lab4Living, Art and Design Research Centre, Sheffield Hallam University, Sheffield, UK
| | - Gill Squire
- Sheffield Institute for Translational Neuroscience, University of Sheffield, Sheffield, UK
| | - Andy Stanton
- Lab4Living, Art and Design Research Centre, Sheffield Hallam University, Sheffield, UK
| | - Joe Langley
- Lab4Living, Art and Design Research Centre, Sheffield Hallam University, Sheffield, UK
| | - Moya Briggs
- NIHR Devices for Dignity Health Technology Co-operative, Sheffield, UK
| | - Philip Brindle
- NIHR Devices for Dignity Health Technology Co-operative, Sheffield, UK
| | - Rod Sanders
- NIHR Devices for Dignity Health Technology Co-operative, Sheffield, UK
| | - Christopher McDermott
- Sheffield Institute for Translational Neuroscience, University of Sheffield, Sheffield, UK
| | - Coyle David
- NIHR Devices for Dignity Healthcare Technology Co-operative at Sheffield Teaching Hospitals NHS Foundation Trust, Royal Hallamshire Hospital, Glossop Road, Sheffield, S10 2JF UK
- Renal Medicine, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Heron Nicola
- NIHR Devices for Dignity Healthcare Technology Co-operative at Sheffield Teaching Hospitals NHS Foundation Trust, Royal Hallamshire Hospital, Glossop Road, Sheffield, S10 2JF UK
| | - Davies Simon
- Institute for Applied Clinical Sciences, Keele University, Keele, Staffordshire UK
- University Hospital of North Midlands, Newcastle Rd, Stoke-on-Trent, Staffordshire, ST46QG UK
| | - Wilkie Martin
- University Hospital of North Midlands, Newcastle Rd, Stoke-on-Trent, Staffordshire, ST46QG UK
| | | | | | | | - Mark Mullee
- Research Design Service South Central, Southampton General Hospital, Southampton, UK
| | - Caroline Eyles
- Research Design Service South Central, Southampton General Hospital, Southampton, UK
| | - Megan Barlow-Pay
- Research Design Service South Central, Southampton General Hospital, Southampton, UK
| | - Gary Hickey
- NIHR INVOLVE, University of Southampton, Southampton, UK
| | - Tracey Johns
- NIHR Research Design Service East of England, University of Essex, Essex, UK
| | - Jon Paylor
- NIHR Research Design Service London, Kings College London, London, UK
| | - Katie Turner
- Population Health Research Institute, St George’s, University of London, London, UK
| | - Lisa Whiting
- Department of Nursing and Social Work, University of Hertfordshire, Hatfield, Hertfordshire, England
| | - Sheila Roberts
- Department of Nursing and Social Work, University of Hertfordshire, Hatfield, Hertfordshire, England
| | - Julia Petty
- Department of Nursing and Social Work, University of Hertfordshire, Hatfield, Hertfordshire, England
| | - Gary Meager
- Department of Nursing and Social Work, University of Hertfordshire, Hatfield, Hertfordshire, England
| | | | | | - Kati Turner
- Population Health Research Institute, St George’s, University of London, London, UK
| | - Flavia Collins
- Population Health Research Institute, St George’s, University of London, London, UK
| | - Sarah Gibson
- Population Health Research Institute, St George’s, University of London, London, UK
| | - Siobhan Passmore
- Population Health Research Institute, St George’s, University of London, London, UK
| | - Liz Evans
- NIHR CLAHRC Northwest London, Imperial College London/Chelsea and Westminster NHS Foundation Trust, London, UK
| | - Stuart A. Green
- NIHR CLAHRC Northwest London, Imperial College London/Chelsea and Westminster NHS Foundation Trust, London, UK
| | - Jenny Trite
- Central and Northwest London NHS Foundation Trust, London, UK
| | - Rachel Matthews
- NIHR CLAHRC Northwest London, Imperial College London/Chelsea and Westminster NHS Foundation Trust, London, UK
| | - Susan Hrisos
- Institute of Health & Society, Newcastle University, Newcastle, UK
| | - Richard Thomson
- Institute of Health & Society, Newcastle University, Newcastle, UK
| | - Dave Green
- Institute of Health & Society, Newcastle University, Newcastle, UK
| | - Helen Atkinson
- Faculty of Medical Sciences Engage, Newcastle University, Newcastle, UK
| | - Alex Mitchell
- Faculty of Medical Sciences Engage, Newcastle University, Newcastle, UK
| | - Lynne Corner
- Faculty of Medical Sciences Engage, Newcastle University, Newcastle, UK
| | | | - Rebecca Nguyen
- Consumer and Community Health Research Network, Perth, Australia
- Telethon Kids Institute, Perth, Australia
| | - Belinda Frank
- Consumer and Community Health Research Network, Perth, Australia
| | - Ngaire McNeil
- Consumer and Community Health Research Network, Perth, Australia
| | - Hayley Harrison
- Consumer and Community Health Research Network, Perth, Australia
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8
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Moore M, Stuart B, Hobbs FR, Butler CC, Hay AD, Campbell J, Delaney BC, Broomfield S, Barratt P, Hood K, Everitt HA, Mullee M, Williamson I, Mant D, Little P. Symptom response to antibiotic prescribing strategies in acute sore throat in adults: the DESCARTE prospective cohort study in UK general practice. Br J Gen Pract 2017; 67:e634-e642. [PMID: 28808075 PMCID: PMC5569743 DOI: 10.3399/bjgp17x692321] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 05/15/2017] [Indexed: 10/31/2022] Open
Abstract
BACKGROUND A delayed or 'just in case' prescription has been identified as having potential to reduce antibiotic use in sore throat. AIM To determine the symptomatic outcome of acute sore throat in adults according to antibiotic prescription strategy in routine care. DESIGN AND SETTING A secondary analysis of the DESCARTE (Decision rule for the Symptoms and Complications of Acute Red Throat in Everyday practice) prospective cohort study comprising adults aged ≥16 years presenting with acute sore throat (≤2 weeks' duration) managed with treatment as usual in primary care in the UK. METHOD A random sample of 2876 people from the full cohort were requested to complete a symptom diary. A brief clinical proforma was used to collect symptom severity and examination findings at presentation. Outcome details were collected by notes review and a detailed symptom diary. The primary outcome was poorer 'global' symptom control (defined as longer than the median duration or higher than median symptom severity). Analyses controlled for confounding by indication (propensity to prescribe antibiotics). RESULTS A total of 1629/2876 (57%) of those requested returned a symptom diary, of whom 1512 had information on prescribing strategy. The proportion with poorer global symptom control was greater in those not prescribed antibiotics 398/587 (68%) compared with those prescribed immediate antibiotics 441/728 (61%) or delayed antibiotic prescription 116/197 59%); adjusted risk ratio (RR) (95% confidence intervals [CI]): immediate RR 0.87 (95% CI = 0.70 to 0.96), P = 0.006; delayed RR 0.88 (95% CI = 0.78 to 1.00), P = 0.042. CONCLUSION In the routine care of adults with sore throat, a delayed antibiotic strategy confers similar symptomatic benefits to immediate antibiotics compared with no antibiotics. If a decision is made to prescribe an antibiotic, a delayed antibiotic strategy is likely to yield similar symptomatic benefit to immediate antibiotics.
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Affiliation(s)
- Michael Moore
- Primary Care and Population Sciences Division, University of Southampton
| | - Beth Stuart
- Primary Care and Population Sciences Division, University of Southampton
| | - Fd Richard Hobbs
- Nuffield Department of Primary Care Health Sciences, University of Oxford
| | - Chris C Butler
- Nuffield Department of Primary Care Health Sciences, University of Oxford
| | - Alastair D Hay
- Centre for Academic Primary Care, School of Social and Community Medicine, University of Bristol
| | | | - Brendan C Delaney
- Department of Surgery and Cancer, Imperial College, St Mary's Hospital, London
| | - Sue Broomfield
- Primary Care and Population Sciences Division, University of Southampton
| | - Paula Barratt
- Primary Care and Population Sciences Division, University of Southampton
| | - Kerenza Hood
- Centre for trials research, South East Wales Trials Unit, Institute of Primary Care and Public Health, School of Medicine, Cardiff University
| | - Hazel A Everitt
- Primary Care and Population Sciences Division, University of Southampton
| | - Mark Mullee
- Primary Care and Population Sciences Division, University of Southampton
| | - Ian Williamson
- Primary Care and Population Sciences Division, University of Southampton
| | - David Mant
- Nuffield Department of Primary Care Health Sciences, University of Oxford
| | - Paul Little
- Primary Care and Population Sciences Division, University of Southampton
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9
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Arden N, Altman D, Beard D, Carr A, Clarke N, Collins G, Cooper C, Culliford D, Delmestri A, Garden S, Griffin T, Javaid K, Judge A, Latham J, Mullee M, Murray D, Ogundimu E, Pinedo-Villanueva R, Price A, Prieto-Alhambra D, Raftery J. Lower limb arthroplasty: can we produce a tool to predict outcome and failure, and is it cost-effective? An epidemiological study. Programme Grants Appl Res 2017. [DOI: 10.3310/pgfar05120] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BackgroundAlthough hip and knee arthroplasties are considered to be common elective cost-effective operations, up to one-quarter of patients are not satisfied with the operation. A number of risk factors for implant failure are known, but little is known about the predictors of patient-reported outcomes.Objectives(1) Describe current and future needs for lower limb arthroplasties in the UK; (2) describe important risk factors for poor surgery outcomes and combine them to produce predictive tools (for hip and knee separately) for poor outcomes; (3) produce a Markov model to enable a detailed health economic analysis of hip/knee arthroplasty, and for implementing the predictive tool; and (4) test the practicality of the prediction tools in a pragmatic prospective cohort of lower limb arthroplasty.DesignThe programme was arranged into four work packages. The first three work packages used the data from large existing data sets such as Clinical Practice Research Datalink, Hospital Episode Statistics and the National Joint Registry. Work package 4 established a pragmatic cohort of lower limb arthroplasty to test the practicality of the predictive tools developed within the programme.ResultsThe estimated number of total knee replacements (TKRs) and total hip replacements (THRs) performed in the UK in 2015 was 85,019 and 72,418, respectively. Between 1991 and 2006, the estimated age-standardised rates (per 100,000 person-years) for a THR increased from 60.3 to 144.6 for women and from 35.8 to 88.6 for men. The rates for TKR increased from 42.5 to 138.7 for women and from 28.7 to 99.4 for men. The strongest predictors for poor outcomes were preoperative pain/function scores, deprivation, age, mental health score and radiographic variable pattern of joint space narrowing. We found a weak association between body mass index (BMI) and outcomes; however, increased BMI did increase the risk of revision surgery (a 5-kg/m2rise in BMI increased THR revision risk by 10.4% and TKR revision risk by 7.7%). We also confirmed that osteoarthritis (OA) severity and migration pattern of the hip predicted patient-reported outcome measures. The hip predictive tool that we developed performed well, with a correctedR2of 23.1% and had good calibration, with only slight overestimation of Oxford Hip Score in the lowest decile of outcome. The knee tool developed performed less well, with a correctedR2of 20.2%; however, it had good calibration. The analysis was restricted by the relatively limited number of variables available in the extant data sets, something that could be addressed in future studies. We found that the use of bisphosphonates reduced the risk of revision knee and hip surgery by 46%. Hormone replacement therapy reduced the risk by 38%, if used for at least 6 months postoperatively. We found that an increased risk of postoperative fracture was prevented by bisphosphonate use. This result, being observational in nature, will require confirmation in a randomised controlled trial. The Markov model distinguished between outcome categories following primary and revision procedures. The resulting outcome prediction tool for THR and TKR reduced the number and proportion of unsatisfactory outcomes after the operation, saving NHS resources in the process. The highest savings per quality-adjusted life-year (QALY) forgone were reported from the oldest patient subgroups (men and women aged ≥ 80 years), with a reported incremental cost-effectiveness ratio of around £1200 saved per QALY forgone for THRs. In the prospective cohort of arthroplasty, the performance of the knee model was modest (R2 = 0.14) and that of the hip model poor (R2 = 0.04). However, the addition of the radiographic OA variable improved the performance of the hip model (R2 = 0.125 vs. 0.110) and high-sensitivity C-reactive protein improved the performance of the knee model (R2 = 0.230 vs. 0.216). These data will ideally need replication in an external cohort of a similar design. The data are not necessarily applicable to other health systems or countries.ConclusionThe number of total hip and knee replacements will increase in the next decade. High BMI, although clinically insignificant, is associated with an increased risk of revision surgery and postoperative complications. Preoperative pain/function, the pattern of joint space narrowing, deprivation index and level of education were found to be the strongest predictors for THR. Bisphosphonates and hormone therapy proved to be beneficial for patients undergoing lower limb replacement. The addition of new predictors collected from the prospective cohort of arthroplasty slightly improved the performance of the predictive tools, suggesting that the potential improvements in both tools can be achieved using the plethora of extra variables from the validation cohort. Although currently it would not be cost-effective to implement the predictive tools in a health-care setting, we feel that the addition of extensive risk factors will improve the performances of the predictive tools as well as the Markov model, and will prove to be beneficial in terms of cost-effectiveness. Future analyses are under way and awaiting more promising provisional results.Future workFurther research should focus on defining and predicting the most important outcome to the patient.FundingThe National Institute for Health Research Programme Grants for Applied Research programme.
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Affiliation(s)
- Nigel Arden
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Doug Altman
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - David Beard
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Andrew Carr
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Nicholas Clarke
- Developmental Origins of Health & Disease Division, University of Southampton, Southampton, UK
| | - Gary Collins
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Cyrus Cooper
- Medical Research Council, Lifecourse Epidemiology Unit, University of Southampton, Southampton General Hospital, Southampton, UK
| | - David Culliford
- Faculty of Health Sciences, University of Southampton, Southampton, UK
| | - Antonella Delmestri
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Stefanie Garden
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Tinatin Griffin
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Kassim Javaid
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Andrew Judge
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Jeremy Latham
- Orthopaedic and Trauma Surgery, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Mark Mullee
- Research & Development Support Unit, University of Southampton, Southampton, UK
| | - David Murray
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Emmanuel Ogundimu
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Rafael Pinedo-Villanueva
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Andrew Price
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Daniel Prieto-Alhambra
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - James Raftery
- Wessex Institute for Health Research and Development, University of Southampton, Southampton, UK
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Adams J, Burridge J, Mullee M, Hammond A, Cooper C. Self-Reported Hand Functional Ability measured by the DASH in Individuals with Early Rheumatoid Arthritis. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/175899830501000104] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Self-report accounts of functional ability are important for clinicians to gain insight into individuals’ perspectives of the personal impact of injury or disease. This short report describes a study of self-report upper limb ability using the Disability of the Arm, Shoulder and Hand (DASH) questionnaire in a sample of people with early rheumatoid arthritis. The DASH is a reliable and valid tool for use within rheumatology. The most difficult upper limb tasks to complete were reported to be activities that required sustained force and power, followed by tasks that required fine finger movements and prehension tasks. The DASH questionnaire proved to be an outcome measure that discriminated well between different levels of reported functional upper limb ability; it was reported to be easy to complete by patients, and was straightforward and quick to score. The compact summary score makes it a useful clinical and research tool and one that can be recommended in an early rheumatoid arthritis population.
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Affiliation(s)
- Jo Adams
- School of Health Professions and Rehabilitation Sciences, University of Southampton, Southampton, UK
| | - J Burridge
- School of Health Professions and Rehabilitation Sciences, University of Southampton, Southampton, UK
| | - M Mullee
- The Research and Development Support Unit, University of Southampton, Southampton, UK
| | | | - Cyrus Cooper
- Medical Research Centre, University of Southampton, Southampton, UK
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11
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Little P, Stuart B, Mullee M, Thomas T, Johnson S, Leydon G, Rabago D, Richards-Hall S, Williamson I, Yao G, Raftery J, Zhu S, Moore M. Effectiveness of steam inhalation and nasal irrigation for chronic or recurrent sinus symptoms in primary care: a pragmatic randomized controlled trial. CMAJ 2016; 188:940-949. [PMID: 27431306 DOI: 10.1503/cmaj.160362] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/13/2016] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Systematic reviews support nasal saline irrigation for chronic or recurrent sinus symptoms, but trials have been small and few in primary care settings. Steam inhalation has also been proposed, but supporting evidence is lacking. We investigated whether brief pragmatic interventions to encourage use of nasal irrigation or steam inhalation would be effective in relieving sinus symptoms. METHODS We conducted a pragmatic randomized controlled trial involving adults (age 18-65 yr) from 72 primary care practices in the United Kingdom who had a history of chronic or recurrent sinusitis and reported a "moderate to severe" impact of sinus symptoms on their quality of life. Participants were recruited between Feb. 11, 2009, and June 30, 2014, and randomly assigned to 1 of 4 advice strategies: usual care, daily nasal saline irrigation supported by a demonstration video, daily steam inhalation, or combined treatment with both interventions. The primary outcome measure was the Rhinosinusitis Disability Index (RSDI). Patients were followed up at 3 and 6 months. We imputed missing data using multiple imputation methods. RESULTS Of the 961 patients who consented, 871 returned baseline questionnaires (210 usual care, 219 nasal irrigation, 232 steam inhalation and 210 combined treatment). A total of 671 (77.0%) of the 871 participants reported RSDI scores at 3 months. Patients' RSDI scores improved more with nasal irrigation than without nasal irrigation by 3 months (crude change -7.42 v. -5.23; estimated adjusted mean difference between groups -2.51, 95% confidence interval -4.65 to -0.37). By 6 months, significantly more patients maintained a 10-point clinically important improvement in the RSDI score with nasal irrigation (44.1% v. 36.6%); fewer used over-the-counter medications (59.4% v. 68.0%) or intended to consult a doctor in future episodes. Steam inhalation reduced headache but had no significant effect on other outcomes. The proportion of participants who had adverse effects was the same in both intervention groups. INTERPRETATION Advice to use steam inhalation for chronic or recurrent sinus symptoms in primary care was not effective. A similar strategy to use nasal irrigation was less effective than prior evidence suggested, but it provided some symptomatic benefit. TRIAL REGISTRATION ISRCTN, no. 88204146.
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Affiliation(s)
- Paul Little
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis.
| | - Beth Stuart
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - Mark Mullee
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - Tammy Thomas
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - Sophie Johnson
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - Gerry Leydon
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - David Rabago
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - Samantha Richards-Hall
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - Ian Williamson
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - Guiqing Yao
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - James Raftery
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - Shihua Zhu
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
| | - Michael Moore
- Primary Care Group (Little, Stuart, Moore, Thomas, Johnson, Williamson), Health Economic Analyses Team (Yao, Raftery, Zhu) and Research Design Service South Central (Mullee), Primary Care and Population Sciences Unit (Leydon), University of Southampton, Southampton, UK; Patient and Public Involvement Collaborator (Richards-Hall), Southampton, UK; Department of Family Medicine and Community Health (Rabago), University of Wisconsin School of Medicine and Public Health, Madison, Wis
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Abstract
This article argues for more research and audit by group psychotherapists in order to inform clinical practice and to influence resource allocation. Problems encountered in research are described. The need for careful planning is emphasized. The choice of outcome measures is discussed and also the choice of research protocol by symptom questionnaire or by change in use of psychiatric services. An account is given of the CORE outcome measure. Reasons for missing data are given and ways are suggested of analysing incomplete data that can provide useful information, using as an example figures from our outcome study on a slow-open group of 94 patients.
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Affiliation(s)
- Zaida Hall
- Department of Psychiatry, an honorary consultant psychotherapist at the Royal South Hants Hospital, Southampton,
| | - Mark Mullee
- Department of Medical Statistics and Computing, University of Southampton
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13
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Little P, Stuart B, Andreou P, McDermott L, Joseph J, Mullee M, Moore M, Broomfield S, Thomas T, Yardley L. Primary care randomised controlled trial of a tailored interactive website for the self-management of respiratory infections (Internet Doctor). BMJ Open 2016; 6:e009769. [PMID: 27098821 PMCID: PMC4838709 DOI: 10.1136/bmjopen-2015-009769] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVE To assess an internet-delivered intervention providing advice to manage respiratory tract infections (RTIs). DESIGN Open pragmatic parallel group randomised controlled trial. SETTING Primary care in UK. PARTICIPANTS Adults (aged ≥18) registered with general practitioners, recruited by postal invitation. INTERVENTION Patients were randomised with computer-generated random numbers to access the intervention website (intervention) or not (control). The intervention tailored advice about the diagnosis, natural history, symptom management (particularly paracetamol/ibuprofen use) and when to seek further help. OUTCOMES Primary: National Health Service (NHS) contacts for those reporting RTIs from monthly online questionnaires for 20 weeks. Secondary: hospitalisations; symptom duration/severity. RESULTS Results 3044 participants were recruited. 852 in the intervention group and 920 in the control group reported one or more RTIs, among whom there a modest increase in NHS Direct contacts in the intervention group (intervention 44/1734 (2.5%) versus control 24/1842 (1.3%); multivariate Risk Ratio (RR) 2.53 (95% CI 1.10 to 5.82, p=0.029)). Conversely reduced contact with doctors occurred (283/1734 (16.3%) vs 368/1845 (20.0%); risk ratio 0.71, 0.53 to 0.95, p=0.019). Reduction in contacts occurred despite slightly longer illness duration (11.3 days versus 10.9 days respectively; multivariateestimate 0.48 days longer (-0.16 to 1.12, p=0.141) and more days of illness rated moderately bad or worse illness (0.53 days; 0.12 to 0.94, p=0.012). The estimate of slower symptom resolution in the intervention group was attenuated when controlling for whether individuals had used webpages which advocated ibuprofen use (length of illness 0.22 days, −0.51 to 0.95, p=0.551; moderately bad or worse symptoms 0.36 days, −0.08 to 0.80, p=0.105). There was no evidence of increased hospitalisations (risk ratio 0.13; 0.02 to 1.01; p=0.051). CONCLUSIONS An internet-delivered intervention for the self-management of RTIs modifies help-seeking behaviour, and does not result in more hospital admissions due to delayed help seeking. Advising the use of ibuprofen may not be helpful. TRIAL REGISTRATION NUMBER ISRCTN91518452.
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Affiliation(s)
- Paul Little
- Primary Care Group, Primary Care and Population Sciences Unit, University of Southampton,Southampton, UK
| | - Beth Stuart
- Primary Care Group, Primary Care and Population Sciences Unit, University of Southampton,Southampton, UK
| | - Panayiota Andreou
- Primary Care Group, Primary Care and Population Sciences Unit, University of Southampton,Southampton, UK
| | - Lisa McDermott
- Primary Care Group, Primary Care and Population Sciences Unit, University of Southampton,Southampton, UK
| | - Judith Joseph
- Centre for the Applications of Health Psychology, University of Southampton, Southampton, UK
| | - Mark Mullee
- Research Design Service South Central, Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Mike Moore
- Primary Care Group, Primary Care and Population Sciences Unit, University of Southampton,Southampton, UK
| | - Sue Broomfield
- Primary Care Group, Primary Care and Population Sciences Unit, University of Southampton,Southampton, UK
| | - Tammy Thomas
- Primary Care Group, Primary Care and Population Sciences Unit, University of Southampton,Southampton, UK
| | - Lucy Yardley
- Centre for the Applications of Health Psychology, University of Southampton, Southampton, UK
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Little P, Stuart B, Hobbs FDR, Moore M, Barnett J, Popoola D, Middleton K, Kelly J, Mullee M, Raftery J, Yao G, Carman W, Fleming D, Stokes-Lampard H, Williamson I, Joseph J, Miller S, Yardley L. An internet-delivered handwashing intervention to modify influenza-like illness and respiratory infection transmission (PRIMIT): a primary care randomised trial. Lancet 2015; 386:1631-9. [PMID: 26256072 DOI: 10.1016/s0140-6736(15)60127-1] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Handwashing to prevent transmission of respiratory tract infections (RTIs) has been widely advocated, especially during the H1N1 pandemic. However, the role of handwashing is debated, and no good randomised evidence exists among adults in non-deprived settings. We aimed to assess whether an internet-delivered intervention to modify handwashing would reduce the number of RTIs among adults and their household members. METHODS We recruited individuals sharing a household by mailed invitation through general practices in England. After consent, participants were randomised online by an automated computer-generated random number programme to receive either no access or access to a bespoke automated web-based intervention that maximised handwashing intention, monitored handwashing behaviour, provided tailored feedback, reinforced helpful attitudes and norms, and addressed negative beliefs. We enrolled participants into an additional cohort (randomised to receive intervention or no intervention) to assess whether the baseline questionnaire on handwashing would affect handwashing behaviour. Participants were not masked to intervention allocation, but statistical analysis commands were constructed masked to group. The primary outcome was number of episodes of RTIs in index participants in a modified intention-to-treat population of randomly assigned participants who completed follow-up at 16 weeks. This trial is registered with the ISRCTN registry, number ISRCTN75058295. FINDINGS Across three winters between Jan 17, 2011, and March 31, 2013, we enrolled 20,066 participants and randomly assigned them to receive intervention (n=10,040) or no intervention (n=10,026). 16,908 (84%) participants were followed up with the 16 week questionnaire (8241 index participants in intervention group and 8667 in control group). After 16 weeks, 4242 individuals (51%) in the intervention group reported one or more episodes of RTI compared with 5135 (59%) in the control group (multivariate risk ratio 0·86, 95% CI 0·83-0·89; p<0·0001). The intervention reduced transmission of RTIs (reported within 1 week of another household member) both to and from the index person. We noted a slight increase in minor self-reported skin irritation (231 [4%] of 5429 in intervention group vs 79 [1%] of 6087 in control group) and no reported serious adverse events. INTERPRETATION In non-pandemic years, an effective internet intervention designed to increase handwashing could have an important effect in reduction of infection transmission. In view of the heightened concern during a pandemic and the likely role of the internet in access to advice, the intervention also has potential for effective implementation during a pandemic. FUNDING Medical Research Council.
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Affiliation(s)
- Paul Little
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK.
| | - Beth Stuart
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - F D R Hobbs
- Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Mike Moore
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Jane Barnett
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | | | - Karen Middleton
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Joanne Kelly
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Mark Mullee
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK; NIHR Research Design Service South Central, University of Southampton, Southampton, UK
| | - James Raftery
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Guiqing Yao
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - William Carman
- West of Scotland Specialist Virology Centre, University of Glasgow, Glasgow, UK
| | | | | | - Ian Williamson
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Judith Joseph
- Centre for Applications of Health Psychology University of Southampton, Southampton, UK
| | - Sascha Miller
- Centre for Applications of Health Psychology University of Southampton, Southampton, UK
| | - Lucy Yardley
- Centre for Applications of Health Psychology University of Southampton, Southampton, UK
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Marshall A, Spreadbury J, Cheston R, Coleman P, Ballinger C, Mullee M, Pritchard J, Russell C, Bartlett E. A pilot randomised controlled trial to compare changes in quality of life for participants with early diagnosis dementia who attend a 'Living Well with Dementia' group compared to waiting-list control. Aging Ment Health 2015; 19:526-35. [PMID: 25196239 DOI: 10.1080/13607863.2014.954527] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVES The aim of this paper is to report a pilot study in which participants who had recently received a diagnosis of dementia were randomised to either a 10-week group intervention or a waiting-list control. METHOD Memory clinic staff with limited previous experience of group therapy were trained to lead a 10-week group therapy intervention called 'Living Well with Dementia'. Fifty-eight participants, all of whom had received a diagnosis of Alzheimer's disease, vascular or Lewy body dementia within the previous 18 months, were randomised to receive either the intervention or treatment as usual (waiting-list control). Data collection occurred at baseline, within two weeks after the intervention finished and at 10-week follow-up. RESULTS The study met its recruitment targets, with a relatively low attrition rate for the intervention arm. The acceptability of the intervention and research methods was examined qualitatively and will be reported on elsewhere. For the primary outcome, measure of quality of life in Alzheimer's disease (QoL-AD), and secondary outcome, self-esteem, there was some evidence of improvement in the intervention group compared to the control group. There was, also, evidence of a reduction in cognitive functioning in the treatment group compared to the control. Such reported differences should be treated with caution because they are obtained from a pilot and not a definitive study. CONCLUSION This pilot study succeeded in collecting data to inform a future definitive cost effectiveness clinical trial of Living Well with Dementia group therapy.
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Gillespie D, Hood K, Farewell D, Butler CC, Verheij T, Goossens H, Stuart B, Mullee M, Little P. Adherence-adjusted estimates of benefits and harms from treatment with amoxicillin for LRTI: secondary analysis of a 12-country randomised placebo-controlled trial using randomisation-based efficacy estimators. BMJ Open 2015; 5:e006160. [PMID: 25748415 PMCID: PMC4360594 DOI: 10.1136/bmjopen-2014-006160] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
OBJECTIVES Estimate the efficacy of amoxicillin for acute uncomplicated lower-respiratory-tract infection (LRTI) in primary care and demonstrate the use of randomisation-based efficacy estimators. DESIGN Secondary analysis of a two-arm individually-randomised placebo-controlled trial. SETTING Primary care practices in 12 European countries. PARTICIPANTS Patients aged 18 or older consulting with an acute LRTI in whom pneumonia was not suspected by the clinician. INTERVENTIONS Amoxicillin (two 500 mg tablets three times a day for 7 days) or matched placebo. MAIN OUTCOME MEASURES Clinician-rated symptom severity between days 2-4; new/worsening symptoms and presence of side effects at 4-weeks. Adherence was captured using self-report and tablet counts. RESULTS 2061 participants were randomised to the amoxicillin or placebo group. On average, 88% of the prescribed amoxicillin was taken. The original analysis demonstrated small increases in both benefits and harms from amoxicillin. Minor improvements in the benefits of amoxicillin were observed when an adjustments for adherence were made (mean difference in symptom severity -0.08, 95% CI -0.17 to 0.01, OR for new/worsening symptoms 0.81, 95% CI 0.66 to 0.98) as well as minor increases in harms (OR for side effects 1.32, 95% CI 1.12 to 1.57). CONCLUSIONS Adherence to amoxicillin was high, and the findings from the original analysis were robust to non-adherence. Participants consulting to primary care with an acute uncomplicated LRTI can on average expect minor improvements in outcome from taking amoxicillin. However, they are also at an increased risk of experiencing side effects. TRIAL REGISTRATION NUMBERS Eudract-CT 2007-001586-15 and ISRCTN52261229. The trial was registered at EudraCT in 2007 due to an administrative misunderstanding that EudraCT was a suitable registry--which it was not in 2007, but has become since. On discovery of this error, the trial was also registered at ISRCTN (January 2009). Trial procedures did not change between the two registrations.
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Affiliation(s)
- David Gillespie
- South East Wales Trials Unit (SEWTU), Institute of Primary Care & Public Health, Cardiff University School of Medicine, Cardiff, UK
| | - Kerenza Hood
- South East Wales Trials Unit (SEWTU), Institute of Primary Care & Public Health, Cardiff University School of Medicine, Cardiff, UK
| | - Daniel Farewell
- Institute of Primary Care & Public Health, Cardiff University School of Medicine, Cardiff, UK
| | - Christopher C Butler
- Institute of Primary Care & Public Health, Cardiff University School of Medicine, Cardiff, UK
- Department of Primary Care Health Sciences, Oxford University, Oxford, UK
| | - Theo Verheij
- University Medical Center Utrecht, Julius Center for Health, Sciences and Primary Care, Utrecht, The Netherlands
| | - Herman Goossens
- Laboratory of Medical Microbiology, Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Beth Stuart
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK
| | - Mark Mullee
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK
| | - Paul Little
- Department of Primary Medical Care, Aldermoor Health Centre, Southampton, UK
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Little P, Hobbs FDR, Moore M, Mant D, Williamson I, McNulty C, Lasseter G, Cheng MYE, Leydon G, McDermott L, Turner D, Pinedo-Villanueva R, Raftery J, Glasziou P, Mullee M. PRImary care Streptococcal Management (PRISM) study: in vitro study, diagnostic cohorts and a pragmatic adaptive randomised controlled trial with nested qualitative study and cost-effectiveness study. Health Technol Assess 2014; 18:vii-xxv, 1-101. [PMID: 24467988 DOI: 10.3310/hta18060] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Antibiotics are still prescribed to most patients attending primary care with acute sore throat, despite evidence that there is modest benefit overall from antibiotics. Targeting antibiotics using either clinical scoring methods or rapid antigen detection tests (RADTs) could help. However, there is debate about which groups of streptococci are important (particularly Lancefield groups C and G), and uncertainty about the variables that most clearly predict the presence of streptococci. OBJECTIVE This study aimed to compare clinical scores or RADTs with delayed antibiotic prescribing. DESIGN The study comprised a RADT in vitro study; two diagnostic cohorts to develop streptococcal scores (score 1; score 2); and, finally, an open pragmatic randomised controlled trial with nested qualitative and cost-effectiveness studies. SETTING The setting was UK primary care general practices. PARTICIPANTS Participants were patients aged ≥ 3 years with acute sore throat. INTERVENTIONS An internet program randomised patients to targeted antibiotic use according to (1) delayed antibiotics (control group), (2) clinical score or (3) RADT used according to clinical score. MAIN OUTCOME MEASURES The main outcome measures were self-reported antibiotic use and symptom duration and severity on seven-point Likert scales (primary outcome: mean sore throat/difficulty swallowing score in the first 2-4 days). RESULTS The IMI TestPack Plus Strep A (Inverness Medical, Bedford, UK) was sensitive, specific and easy to use. Lancefield group A/C/G streptococci were found in 40% of cohort 2 and 34% of cohort 1. A five-point score predicting the presence of A/C/G streptococci [FeverPAIN: Fever; Purulence; Attend rapidly (≤ 3 days); severe Inflammation; and No cough or coryza] had moderate predictive value (bootstrapped estimates of area under receiver operating characteristic curve: 0.73 cohort 1, 0.71 cohort 2) and identified a substantial number of participants at low risk of streptococcal infection. In total, 38% of cohort 1 and 36% of cohort 2 scored ≤ 1 for FeverPAIN, associated with streptococcal percentages of 13% and 18%, respectively. In an adaptive trial design, the preliminary score (score 1; n = 1129) was replaced by FeverPAIN (n = 631). For score 1, there were no significant differences between groups. For FeverPAIN, symptom severity was documented in 80% of patients, and was lower in the clinical score group than in the delayed prescribing group (-0.33; 95% confidence interval -0.64 to -0.02; p = 0.039; equivalent to one in three rating sore throat a slight rather than moderately bad problem), and a similar reduction was observed for the RADT group (-0.30; -0.61 to 0.00; p = 0.053). Moderately bad or worse symptoms resolved significantly faster (30%) in the clinical score group (hazard ratio 1.30; 1.03 to 1.63) but not the RADT group (1.11; 0.88 to 1.40). In the delayed group, 75/164 (46%) used antibiotics, and 29% fewer used antibiotics in the clinical score group (risk ratio 0.71; 0.50 to 0.95; p = 0.018) and 27% fewer in the RADT group (0.73; 0.52 to 0.98; p = 0.033). No significant differences in complications or reconsultations were found. The clinical score group dominated both other groups for both the cost/quality-adjusted life-years and cost/change in symptom severity analyses, being both less costly and more effective, and cost-effectiveness acceptability curves indicated the clinical score to be the most likely to be cost-effective from an NHS perspective. Patients were positive about RADTs. Health professionals' concerns about test validity, the time the test took and medicalising self-limiting illness lessened after using the tests. For both RADTs and clinical scores, there were tensions with established clinical experience. CONCLUSIONS Targeting antibiotics using a clinical score (FeverPAIN) efficiently improves symptoms and reduces antibiotic use. RADTs used in combination with FeverPAIN provide no clear advantages over FeverPAIN alone, and RADTs are unlikely to be incorporated into practice until health professionals' concerns are met and they have experience of using them. Clinical scores also face barriers related to clinicians' perceptions of their utility in the face of experience. This study has demonstrated the limitation of using one data set to develop a clinical score. FeverPAIN, derived from two data sets, appears to be valid and its use improves outcomes, but diagnostic studies to confirm the validity of FeverPAIN in other data sets and settings are needed. Experienced clinicians need to identify barriers to the use of clinical scoring methods. Implementation studies that address perceived barriers in the use of FeverPAIN are needed. TRIAL REGISTRATION Current Controlled Trials ISRCTN32027234. SOURCE OF FUNDING This project was funded by the NIHR Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 18, No. 6. See the NIHR Journals Library website for further project information.
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Affiliation(s)
- Paul Little
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - F D Richard Hobbs
- Primary Care Clinical Sciences, University of Birmingham, Birmingham, UK
| | - Michael Moore
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - David Mant
- Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Ian Williamson
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Cliodna McNulty
- Public Health England, Primary Care Unit, Microbiology Laboratory, Gloucestershire Royal Hospital, Gloucester, UK
| | - Gemma Lasseter
- Public Health England, Primary Care Unit, Microbiology Laboratory, Gloucestershire Royal Hospital, Gloucester, UK
| | - M Y Edith Cheng
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Geraldine Leydon
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Lisa McDermott
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - David Turner
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | | | - James Raftery
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
| | - Paul Glasziou
- Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Mark Mullee
- Primary Care and Population Sciences Unit, University of Southampton, Southampton, UK
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Little P, Moore M, Kelly J, Williamson I, Leydon G, McDermott L, Mullee M, Stuart B. Delayed antibiotic prescribing strategies for respiratory tract infections in primary care: pragmatic, factorial, randomised controlled trial. BMJ 2014; 348:g1606. [PMID: 24603565 PMCID: PMC3944682 DOI: 10.1136/bmj.g1606] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
OBJECTIVE To estimate the effectiveness of different strategies involving delayed antibiotic prescription for acute respiratory tract infections. DESIGN Open, pragmatic, parallel group, factorial, randomised controlled trial. SETTING Primary care in the United Kingdom. PATIENTS 889 patients aged 3 years and over with acute respiratory tract infection, recruited between 3 March 2010 and 28 March 2012 by 53 health professionals in 25 practices. INTERVENTIONS Patients judged not to need immediate antibiotics were randomised to undergo four strategies of delayed prescription: recontact for a prescription, post-dated prescription, collection of the prescription, and be given the prescription (patient led). During the trial, a strategy of no antibiotic prescription was added as another randomised comparison. Analysis was intention to treat. MAIN OUTCOME MEASURES Mean symptom severity (0-6 scale) at days 2-4 (primary outcome), antibiotic use, and patients' beliefs in the effectiveness of antibiotic use. Secondary analysis included comparison with immediate use of antibiotics. RESULTS Mean symptom severity had minimal differences between the strategies involving no prescription and delayed prescription (recontact, post-date, collection, patient led; 1.62, 1.60, 1.82, 1.68, 1.75, respectively; likelihood ratio test χ(2) 2.61, P=0.625). Duration of symptoms rated moderately bad or worse also did not differ between no prescription and delayed prescription strategies combined (median 3 days v 4 days; 4.29, P=0.368). There were modest and non-significant differences in patients very satisfied with the consultation between the randomised groups (79%, 74%, 80%, 88%, 89%, respectively; likelihood ratio test χ(2) 2.38, P=0.667), belief in antibiotics (71%, 74%, 73%, 72%, 66%; 1.62, P=0.805), or antibiotic use (26%, 37%, 37%, 33%, 39%; 4.96, P=0.292). By contrast, most patients given immediate antibiotics used antibiotics (97%) and strongly believed in them (93%), but with no benefit for symptom severity (score 1.76) or duration (median 4 days). CONCLUSION Strategies of no prescription or delayed antibiotic prescription result in fewer than 40% of patients using antibiotics, and are associated with less strong beliefs in antibiotics, and similar symptomatic outcomes to immediate prescription. If clear advice is given to patients, there is probably little to choose between the different strategies of delayed prescription. TRIAL REGISTRATION ISRCTN38551726.
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Affiliation(s)
- Paul Little
- University of Southampton, Aldermoor Health Centre, Southampton SO16 5ST, UK
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Little P, Stuart B, Hobbs FDR, Butler CC, Hay AD, Delaney B, Campbell J, Broomfield S, Barratt P, Hood K, Everitt H, Mullee M, Williamson I, Mant D, Moore M. Antibiotic prescription strategies for acute sore throat: a prospective observational cohort study. Lancet Infect Dis 2014; 14:213-9. [PMID: 24440616 DOI: 10.1016/s1473-3099(13)70294-9] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Data from trials suggest that antibiotics reduce the risk of complications of sore throat by at least 50%, but few trials for complications have been done in modern settings, and datasets of delayed antibiotic prescription are underpowered. Observational evidence is important in view of poor compliance with antibiotic treatment outside trials, but no prospective observational cohort studies have been done to date. METHODS We generated a large prospective cohort from the DESCARTE study, and the PRISM component of DESCARTE, of 12,829 adults presenting with sore throat (≤ 2 weeks duration) in primary care. Our follow-up of the cohort was based on a detailed and structured review of routine medical records, and analysis of the comparison of three antibiotic prescription strategies (no antibiotic prescription, immediate antibiotic prescription, and delayed antibiotic prescription) to control for the propensity to prescribe antibiotics. Information about antibiotic prescription was recorded in 12,677 individuals (4805 prescribed no antibiotics, 6088 prescribed antibiotics immediately, and 1784 prescribed delayed antibiotics). We documented by review of patients' notes (n=11,950) the development of suppurative complications (eg, quinsy, impetigo and cellulitis, otitis media, and sinusitis) or reconsultation with new or non-resolving symptoms). We used multivariate analysis to control for variables significantly related to the propensity to prescribe antibiotics and for clustering by general practitioner. FINDINGS 164 (1.4%) of the 11,950 patients with information available developed complications; otitis media and sinusitis were the most common complications (101 patients [62%]). Compared with no antibiotic prescription, immediate antibiotic prescription was associated with fewer complications (adjusted risk ratio [RR] 0.62, 95% CI 0.43-0.91, estimated number needed to treat [NNT 193) as was delayed prescription of antibiotics (0.58, 0.34-0.98; NNT 174). 1787 of the 11,950 patients (15%) reconsulted with new or non-resolving symptoms; the risk of reconsultation was also reduced by immediate (0.83, 0.73-0.94; NNT 40) or delayed antibiotics (0.61, 0.50-0.74; NNT 18). INTERPRETATION Suppurative complications are not common in primary care and most are not serious. The risks of suppurative complications or reconsultation in adults are reduced by antibiotics, but not as much as the trial evidence suggests. In most cases, no antibiotic is needed, but a delayed prescription strategy is likely to provide similar benefits to an immediate antibiotic prescription.
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Affiliation(s)
- Paul Little
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK.
| | - Beth Stuart
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK
| | - F D Richard Hobbs
- Department of Primary Care Health Sciences, Oxford University, New Radcliffe House, Oxford, UK
| | - Chris C Butler
- Institute of Primary Care and Public Health, School of Medicine, Cardiff University, Cardiff, UK
| | - Alastair D Hay
- Centre for Academic Primary Care, School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - Brendan Delaney
- Department of Primary Care and Public Health Sciences, Kings College London, London, UK
| | | | - Sue Broomfield
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK
| | - Paula Barratt
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK
| | - Kerenza Hood
- South East Wales Trials Unit, School of Medicine, Cardiff University, Cardiff, UK
| | - Hazel Everitt
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK
| | - Mark Mullee
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK
| | - Ian Williamson
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK
| | - David Mant
- Department of Primary Care Health Sciences, Oxford University, New Radcliffe House, Oxford, UK
| | - Michael Moore
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK
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Little P, Stuart B, Hobbs FDR, Butler CC, Hay AD, Campbell J, Delaney B, Broomfield S, Barratt P, Hood K, Everitt H, Mullee M, Williamson I, Mant D, Moore M. Predictors of suppurative complications for acute sore throat in primary care: prospective clinical cohort study. BMJ 2013; 347:f6867. [PMID: 24277339 PMCID: PMC3898431 DOI: 10.1136/bmj.f6867] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/04/2013] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To document whether elements of a structured history and examination predict adverse outcome of acute sore throat. DESIGN Prospective clinical cohort. SETTING Primary care. PARTICIPANTS 14,610 adults with acute sore throat (≤ 2 weeks' duration). MAIN OUTCOME MEASURES Common suppurative complications (quinsy or peritonsillar abscess, otitis media, sinusitis, impetigo or cellulitis) and reconsultation with new or unresolving symptoms within one month. RESULTS Complications were assessed reliably (inter-rater κ=0.95). 1.3% (177/13,445) of participants developed complications overall and 14.2% (1889/13,288) reconsulted with new or unresolving symptoms. Independent predictors of complications were severe tonsillar inflammation (documented among 13.0% (1652/12,717); odds ratio 1.92, 95% confidence interval 1.28 to 2.89) and severe earache (5% (667/13,323); 3.02, 1.91 to 4.76), but the model including both variables had modest prognostic utility (bootstrapped area under the receiver operator curve 0.61, 0.57 to 0.65), and 70% of complications (124/177) occurred when neither was present. Clinical prediction rules for bacterial infection (Centor criteria and FeverPAIN) also predicted complications, but predictive values were also poor and most complications occurred with low scores (67% (118/175) scoring ≤ 2 for Centor; 126/173 (73%) scoring ≤ 2 for FeverPAIN). Previous medical problems, sex, temperature, and muscle aches were independently but weakly associated with reconsultation with new or unresolving symptoms. CONCLUSION Important suppurative complications after an episode of acute sore throat in primary care are uncommon. History and examination and scores to predict bacterial infection cannot usefully identify those who will develop complications. Clinicians will need to rely on strategies such as safety netting or delayed prescription in managing the uncertainty and low risk of complications.
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Affiliation(s)
- Paul Little
- Primary Care and Population Sciences Division, University of Southampton, UK
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21
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Little P, Moore M, Kelly J, Williamson I, Leydon G, McDermott L, Mullee M, Stuart B. Ibuprofen, paracetamol, and steam for patients with respiratory tract infections in primary care: pragmatic randomised factorial trial. BMJ 2013; 347:f6041. [PMID: 24162940 PMCID: PMC3808081 DOI: 10.1136/bmj.f6041] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/23/2013] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To assess strategies for advice on analgesia and steam inhalation for respiratory tract infections. DESIGN Open pragmatic parallel group factorial randomised controlled trial. SETTING Primary care in United Kingdom. PARTICIPANTS Patients aged ≥ 3 with acute respiratory tract infections. INTERVENTION 889 patients were randomised with computer generated random numbers in pre-prepared sealed numbered envelopes to components of advice or comparator advice: advice on analgesia (take paracetamol, ibuprofen, or both), dosing of analgesia (take as required v regularly), and steam inhalation (no inhalation v steam inhalation). OUTCOMES Primary: mean symptom severity on days 2-4; symptoms rated 0 (no problem) to 7 (as bad as it can be). Secondary: temperature, antibiotic use, reconsultations. RESULTS Neither advice on dosing nor on steam inhalation was significantly associated with changes in outcomes. Compared with paracetamol, symptom severity was little different with ibuprofen (adjusted difference 0.04, 95% confidence interval -0.11 to 0.19) or the combination of ibuprofen and paracetamol (0.11, -0.04 to 0.26). There was no evidence for selective benefit with ibuprofen among most subgroups defined before analysis (presence of otalgia; previous duration of symptoms; temperature >37.5 °C; severe symptoms), but there was evidence of reduced symptoms severity benefit in the subgroup with chest infections (ibuprofen -0.40, -0.78 to -0.01; combination -0.47; -0.84 to -0.10), equivalent to almost one in two symptoms rated as a slight rather than a moderately bad problem. Children might also benefit from treatment with ibuprofen (ibuprofen: -0.47, -0.76 to -0.18; combination: -0.04, -0.31 to 0.23). Reconsultations with new/unresolved symptoms or complications were documented in 12% of those advised to take paracetamol, 20% of those advised to take ibuprofen (adjusted risk ratio 1.67, 1.12 to 2.38), and 17% of those advised to take the combination (1.49, 0.98 to 2.18). Mild thermal injury with steam was documented for four patients (2%) who returned full diaries, but no reconsultations with scalding were documented. CONCLUSION Overall advice to use steam inhalation, or ibuprofen rather than paracetamol, does not help control symptoms in patients with acute respiratory tract infections and must be balanced against the possible progression of symptoms during the next month for a minority of patients. Advice to use ibuprofen might help short term control of symptoms in those with chest infections and in children. TRIAL REGISTRATION ISRCTN 38551726.
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Affiliation(s)
- Paul Little
- University of Southampton, Aldermoor Health Centre, Southampton SO16 5ST, UK
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Little P, Moore M, Hobbs FDR, Mant D, McNulty C, Williamson I, Cheng E, Stuart B, Kelly J, Barnett J, Mullee M. PRImary care Streptococcal Management (PRISM) study: identifying clinical variables associated with Lancefield group A β-haemolytic streptococci and Lancefield non-Group A streptococcal throat infections from two cohorts of patients presenting with an acute sore throat. BMJ Open 2013; 3:e003943. [PMID: 24163209 PMCID: PMC3808825 DOI: 10.1136/bmjopen-2013-003943] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
OBJECTIVE To assess the association between features of acute sore throat and the growth of streptococci from culturing a throat swab. DESIGN Diagnostic cohort. SETTING UK general practices. PARTICIPANTS Patients aged 5 or over presenting with an acute sore throat. Patients were recruited for a second cohort (cohort 2, n=517) consecutively after the first (cohort 1, n=606) from similar practices. MAIN OUTCOME Predictors of the presence of Lancefield A/C/G streptococci. RESULTS The clinical score developed from cohort 1 had poor discrimination in cohort 2 (bootstrapped estimate of area under the receiver operator characteristic (ROC) curve (0.65), due to the poor validity of the individual items in the second data set. Variables significant in multivariate analysis in both cohorts were rapid attendance (prior duration 3 days or less; multivariate adjusted OR 1.92 cohort, 1.67 cohort 2); fever in the last 24 h (1.69, 2.40); and doctor assessment of severity (severely inflamed pharynx/tonsils (2.28, 2.29)). The absence of coryza or cough and purulent tonsils were significant in univariate analysis in both cohorts and in multivariate analysis in one cohort. A five-item score based on Fever, Purulence, Attend rapidly (3 days or less), severely Inflamed tonsils and No cough or coryza (FeverPAIN) had moderate predictive value (bootstrapped area under the ROC curve 0.73 cohort 1, 0.71 cohort 2) and identified a substantial number of participants at low risk of streptococcal infection (38% in cohort 1, 36% in cohort 2 scored ≤1, associated with a streptococcal percentage of 13% and 18%, respectively). A Centor score of ≤1 identified 23% and 26% of participants with streptococcal percentages of 10% and 28%, respectively. CONCLUSIONS Items widely used to help identify streptococcal sore throat may not be the most consistent. A modified clinical scoring system (FeverPAIN) which requires further validation may be clinically helpful in identifying individuals who are unlikely to have major pathogenic streptococci.
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Affiliation(s)
- Paul Little
- Primary Care and Population Science Unit, University of Southampton, Southampton, UK
| | - Michael Moore
- Primary Care and Population Science Unit, University of Southampton, Southampton, UK
| | - F D R Hobbs
- Department of Primary Health Care, University of Oxford, Oxford, UK
| | - David Mant
- Department of Primary Health Care, University of Oxford, Oxford, UK
| | | | - Ian Williamson
- Primary Care and Population Science Unit, University of Southampton, Southampton, UK
| | - Edith Cheng
- Primary Care and Population Science Unit, University of Southampton, Southampton, UK
| | - Beth Stuart
- Primary Care and Population Science Unit, University of Southampton, Southampton, UK
| | - Joanne Kelly
- Primary Care and Population Science Unit, University of Southampton, Southampton, UK
| | - Jane Barnett
- Primary Care and Population Science Unit, University of Southampton, Southampton, UK
| | - Mark Mullee
- Primary Care and Population Science Unit, University of Southampton, Southampton, UK
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Little P, Hobbs FDR, Moore M, Mant D, Williamson I, McNulty C, Cheng YE, Leydon G, McManus R, Kelly J, Barnett J, Glasziou P, Mullee M. Clinical score and rapid antigen detection test to guide antibiotic use for sore throats: randomised controlled trial of PRISM (primary care streptococcal management). BMJ 2013; 347:f5806. [PMID: 24114306 PMCID: PMC3805475 DOI: 10.1136/bmj.f5806] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/30/2013] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To determine the effect of clinical scores that predict streptococcal infection or rapid streptococcal antigen detection tests compared with delayed antibiotic prescribing. DESIGN Open adaptive pragmatic parallel group randomised controlled trial. SETTING Primary care in United Kingdom. PATIENTS Patients aged ≥ 3 with acute sore throat. INTERVENTION An internet programme randomised patients to targeted antibiotic use according to: delayed antibiotics (the comparator group for analyses), clinical score, or antigen test used according to clinical score. During the trial a preliminary streptococcal score (score 1, n=1129) was replaced by a more consistent score (score 2, n=631; features: fever during previous 24 hours; purulence; attends rapidly (within three days after onset of symptoms); inflamed tonsils; no cough/coryza (acronym FeverPAIN). OUTCOMES Symptom severity reported by patients on a 7 point Likert scale (mean severity of sore throat/difficulty swallowing for days two to four after the consultation (primary outcome)), duration of symptoms, use of antibiotics. RESULTS For score 1 there were no significant differences between groups. For score 2, symptom severity was documented in 80% (168/207 (81%) in delayed antibiotics group; 168/211 (80%) in clinical score group; 166/213 (78%) in antigen test group). Reported severity of symptoms was lower in the clinical score group (-0.33, 95% confidence interval -0.64 to -0.02; P=0.04), equivalent to one in three rating sore throat a slight versus moderate problem, with a similar reduction for the antigen test group (-0.30, -0.61 to -0.00; P=0.05). Symptoms rated moderately bad or worse resolved significantly faster in the clinical score group (hazard ratio 1.30, 95% confidence interval 1.03 to 1.63) but not the antigen test group (1.11, 0.88 to 1.40). In the delayed antibiotics group, 75/164 (46%) used antibiotics. Use of antibiotics in the clinical score group (60/161) was 29% lower (adjusted risk ratio 0.71, 95% confidence interval 0.50 to 0.95; P=0.02) and in the antigen test group (58/164) was 27% lower (0.73, 0.52 to 0.98; P=0.03). There were no significant differences in complications or reconsultations. CONCLUSION Targeted use of antibiotics for acute sore throat with a clinical score improves reported symptoms and reduces antibiotic use. Antigen tests used according to a clinical score provide similar benefits but with no clear advantages over a clinical score alone. TRIAL REGISTRATION ISRCTN32027234.
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Affiliation(s)
- Paul Little
- University of Southampton Medical School, Aldermoore Health Centre, Southampton SO16 5ST, UK
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Little P, Stuart B, Francis N, Douglas E, Tonkin-Crine S, Anthierens S, Cals JWL, Melbye H, Santer M, Moore M, Coenen S, Butler C, Hood K, Kelly M, Godycki-Cwirko M, Mierzecki A, Torres A, Llor C, Davies M, Mullee M, O'Reilly G, van der Velden A, Geraghty AWA, Goossens H, Verheij T, Yardley L. Effects of internet-based training on antibiotic prescribing rates for acute respiratory-tract infections: a multinational, cluster, randomised, factorial, controlled trial. Lancet 2013; 382:1175-82. [PMID: 23915885 PMCID: PMC3807804 DOI: 10.1016/s0140-6736(13)60994-0] [Citation(s) in RCA: 267] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND High-volume prescribing of antibiotics in primary care is a major driver of antibiotic resistance. Education of physicians and patients can lower prescribing levels, but it frequently relies on highly trained staff. We assessed whether internet-based training methods could alter prescribing practices in multiple health-care systems. METHODS After a baseline audit in October to December, 2010, primary-care practices in six European countries were cluster randomised to usual care, training in the use of a C-reactive protein (CRP) test at point of care, in enhanced communication skills, or in both CRP and enhanced communication. Patients were recruited from February to May, 2011. This trial is registered, number ISRCTN99871214. RESULTS The baseline audit, done in 259 practices, provided data for 6771 patients with lower-respiratory-tract infections (3742 [55·3%]) and upper-respiratory-tract infections (1416 [20·9%]), of whom 5355 (79·1%) were prescribed antibiotics. After randomisation, 246 practices were included and 4264 patients were recruited. The antibiotic prescribing rate was lower with CRP training than without (33% vs 48%, adjusted risk ratio 0·54, 95% CI 0·42-0·69) and with enhanced-communication training than without (36% vs 45%, 0·69, 0·54-0·87). The combined intervention was associated with the greatest reduction in prescribing rate (CRP risk ratio 0·53, 95% CI 0·36-0·74, p<0·0001; enhanced communication 0·68, 0·50-0·89, p=0·003; combined 0·38, 0·25-0·55, p<0·0001). INTERPRETATION Internet training achieved important reductions in antibiotic prescribing for respiratory-tract infections across language and cultural boundaries. FUNDING European Commission Framework Programme 6, National Institute for Health Research, Research Foundation Flanders.
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Affiliation(s)
- Paul Little
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK.
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Little P, Stuart B, Mullee M. Antibiotics in acute non-pneumonic lower-respiratory tract infection--authors' reply. Lancet Infect Dis 2013; 13:833-834. [PMID: 24070557 DOI: 10.1016/s1473-3099(13)70255-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Affiliation(s)
- Paul Little
- Primary Care and Population Sciences Division, University of Southampton, Southampton SO16 5ST, UK.
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Little P, Stuart B, Moore M, Coenen S, Butler CC, Godycki-Cwirko M, Mierzecki A, Chlabicz S, Torres A, Almirall J, Davies M, Schaberg T, Mölstad S, Blasi F, De Sutter A, Kersnik J, Hupkova H, Touboul P, Hood K, Mullee M, O'Reilly G, Brugman C, Goossens H, Verheij T. Amoxicillin for acute lower-respiratory-tract infection in primary care when pneumonia is not suspected: a 12-country, randomised, placebo-controlled trial. Lancet Infect Dis 2012; 13:123-9. [PMID: 23265995 DOI: 10.1016/s1473-3099(12)70300-6] [Citation(s) in RCA: 150] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Lower-respiratory-tract infection is one of the most common acute illnesses managed in primary care. Few placebo-controlled studies of antibiotics have been done, and overall effectiveness (particularly in subgroups such as older people) is debated. We aimed to compare the benefits and harms of amoxicillin for acute lower-respiratory-tract infection with those of placebo both overall and in patients aged 60 years or older. METHODS Patients older than 18 years with acute lower-respiratory-tract infections (cough of ≤28 days' duration) in whom pneumonia was not suspected were randomly assigned (1:1) to either amoxicillin (1 g three times daily for 7 days) or placebo by computer-generated random numbers. Our primary outcome was duration of symptoms rated "moderately bad" or worse. Secondary outcomes were symptom severity in days 2-4 and new or worsening symptoms. Investigators and patients were masked to treatment allocation. This trial is registered with EudraCT (2007-001586-15), UKCRN Portfolio (ID 4175), ISRCTN (52261229), and FWO (G.0274.08N). FINDINGS 1038 patients were assigned to the amoxicillin group and 1023 to the placebo group. Neither duration of symptoms rated "moderately bad" or worse (hazard ratio 1.06, 95% CI 0.96-1.18; p=0.229) nor mean symptom severity (1.69 with placebo vs 1.62 with amoxicillin; difference -0.07 [95% CI -0.15 to 0.007]; p=0.074) differed significantly between groups. New or worsening symptoms were significantly less common in the amoxicillin group than in the placebo group (162 [15.9%] of 1021 patients vs 194 [19.3%] of 1006; p=0.043; number needed to treat 30). Cases of nausea, rash, or diarrhoea were significantly more common in the amoxicillin group than in the placebo group (number needed to harm 21, 95% CI 11-174; p=0.025), and one case of anaphylaxis was noted with amoxicillin. Two patients in the placebo group and one in the amoxicillin group needed to be admitted to hospital; no study-related deaths were noted. We noted no evidence of selective benefit in patients aged 60 years or older (n=595). INTERPRETATION When pneumonia is not suspected clinically, amoxicillin provides little benefit for acute lower-respiratory-tract infection in primary care both overall and in patients aged 60 years or more, and causes slight harms. FUNDING European Commission Framework Programme 6, UK National Institute for Health Research, Barcelona Ciberde Enfermedades Respiratorias, and Research Foundation Flanders.
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Affiliation(s)
- Paul Little
- Primary Care and Population Sciences Division, University of Southampton, Southampton, UK.
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Yardley L, Barker F, Muller I, Turner D, Kirby S, Mullee M, Morris A, Little P. Clinical and cost effectiveness of booklet based vestibular rehabilitation for chronic dizziness in primary care: single blind, parallel group, pragmatic, randomised controlled trial. BMJ 2012; 344:e2237. [PMID: 22674920 PMCID: PMC3368486 DOI: 10.1136/bmj.e2237] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To determine the clinical and cost effectiveness of booklet based vestibular rehabilitation with and without telephone support for chronic dizziness, compared with routine care. DESIGN Single blind, parallel group, pragmatic, randomised controlled trial. SETTING 35 general practices across southern England between October 2008 and January 2011. PARTICIPANTS Patients aged 18 years or over with chronic dizziness (mean duration >five years) not attributable to non-vestibular causes (confirmed by general practitioner) and that could be aggravated by head movement (confirmed by patient). INTERVENTIONS Participants randomly allocated to receive routine medical care, booklet based vestibular rehabilitation only, or booklet based vestibular rehabilitation with telephone support. For the booklet approach, participants received self management booklets providing comprehensive advice on undertaking vestibular rehabilitation exercises at home daily for up to 12 weeks and using cognitive behavioural techniques to promote positive beliefs and treatment adherence. Participants receiving telephone support were offered up to three brief sessions of structured support from a vestibular therapist. MAIN OUTCOME MEASURES Vertigo symptom scale-short form and total healthcare costs related to dizziness per quality adjusted life year (QALY). RESULTS Of 337 randomised participants, 276 (82%) completed all clinical measures at the primary endpoint, 12 weeks, and 263 (78%) at one year follow-up. We analysed clinical effectiveness by intention to treat, using analysis of covariance to compare groups after intervention, controlling for baseline symptom scores. At 12 weeks, scores on the vertigo symptom scale in the telephone support group did not differ significantly from those in the routine care group (adjusted mean difference -1.79 (95% confidence interval -3.69 to 0.11), P=0.064). At one year, both intervention groups improved significantly relative to routine care (telephone support -2.52 (-4.52 to -0.51), P=0.014; booklet only -2.43 (-4.27 to -0.60), P=0.010). Analysis of cost effectiveness acceptability curves showed that both interventions were highly cost effective; at very low QALY values, the booklet only approach was most likely to be cost effective, but the approach with additional telephone support was most likely to be cost effective at QALY values more than £1200 (€1488; $1932). Using the booklet approach with telephone support, five (three to 12) patients would need to be treated for one patient to report subjective improvement at one year. CONCLUSIONS Booklet based vestibular rehabilitation for chronic dizziness is a simple and cost effective means of improving patient reported outcomes in primary care. TRIAL REGISTRATION ClinicalTrials.gov NCT00732797.
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Affiliation(s)
- Lucy Yardley
- Faculty of Human and Social Sciences, University of Southampton, Southampton SO17 1BJ, UK.
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Stevenson J, McCann DC, Law CM, Mullee M, Petrou S, Worsfold S, Yuen HM, Kennedy CR. The effect of early confirmation of hearing loss on the behaviour in middle childhood of children with bilateral hearing impairment. Dev Med Child Neurol 2011; 53:269-74. [PMID: 21121905 PMCID: PMC3763205 DOI: 10.1111/j.1469-8749.2010.03839.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIM To determine if the benefit of early confirmation of permanent childhood hearing impairment (PCHI) on children's receptive language development is associated with fewer behavioural problems. METHOD Follow-up of a total population cohort of 120 children with PCHI of moderate or greater severity (≥ 40 decibels relative to hearing threshold level) (67 males, 53 females; mean age 7 y 11 mo, range 5 y 5 mo-11 y 8 mo) and 63 hearing children (37 males, 26 females; mean age 8 y 1 mo, range 6 y 4 mo-9 y 10 mo). The main outcome measures were the Strengths and Difficulties Questionnaire (SDQ) completed by teachers and parents and the Vineland Adaptive Behaviour Scales (VABS) which are completed on the basis of a parental interview. RESULTS Children with PCHI had lower standard scores than hearing children on the Daily Living Skills (p=0.001) and the Socialisation (p=0.001) scales of the VABS. They had significantly higher Total Behaviour Problem scores on the parent-rated (p=0.002) and teacher-rated SDQ (p=0.03). Children for whom PCHI was confirmed by 9 months did not have significantly fewer problems on the behavioural measures than those confirmed after that age (p=0.635 and p=0.196). INTERPRETATION Early confirmation has a beneficial effect on receptive language development but no significant impact in reducing behavioural problems in children with PCHI.
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Affiliation(s)
- Jim Stevenson
- University of Southampton School of Psychology, Southampton, UK.
| | - Donna C McCann
- Department of Child Health, University of Southampton School of Medicine, Southampton General HospitalSouthampton, UK
| | - Catherine M Law
- Centre for Paediatric Epidemiology and Biostatistics, UCL Institute of Child HealthLondon, UK
| | - Mark Mullee
- Research Development Support Unit, University of Southampton School of Medicine, Southampton General HospitalSouthampton, UK
| | - Stavros Petrou
- National Perinatal Epidemiology Unit, University of Oxford (Old Road Campus)Headington, Oxford, UK.
| | - Sarah Worsfold
- Department of Child Health, University of Southampton School of Medicine, Southampton General HospitalSouthampton, UK
| | - Ho M Yuen
- Research Development Support Unit, University of Southampton School of Medicine, Southampton General HospitalSouthampton, UK
| | - Colin R Kennedy
- Department of Child Health, University of Southampton School of Medicine, Southampton General HospitalSouthampton, UK
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Little P, Turner S, Rumsby K, Jones R, Warner G, Moore M, Lowes JA, Smith H, Hawke C, Leydon G, Mullee M. Validating the prediction of lower urinary tract infection in primary care: sensitivity and specificity of urinary dipsticks and clinical scores in women. Br J Gen Pract 2010; 60:495-500. [PMID: 20594439 PMCID: PMC2894378 DOI: 10.3399/bjgp10x514747] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Dipsticks are one of the most commonly used near-patient tests in primary care, but few clinical or dipstick algorithms have been rigorously developed. AIM To confirm whether previously documented clinical and dipstick variables and algorithms predict laboratory diagnosis of urinary tract infection (UTI). DESIGN OF STUDY Validation study. SETTING Primary care. METHOD A total of 434 adult females with suspected lower UTI had bacteriuria assessed using the European Urinalysis Guidelines. RESULTS Sixty-six per cent of patients had confirmed UTI. The predictive values of nitrite, leucocyte esterase (+ or greater), and blood (haemolysed trace or greater) were confirmed (independent multivariate odds ratios = 5.6, 3.5, and 2.1 respectively). The previously developed dipstick rule--based on presence of nitrite, or both leucocytes and blood-- was moderately sensitive (75%) but less specific (66%; positive predictive value [PPV] 81%, negative predictive value [NPV] 57%). Predictive values were improved by varying the cut-off point: NPV was 76% for all three dipstick results being negative; the PPV was 92% for having nitrite and either blood or leucocyte esterase. Urine offensive smell was not found to be predictive in this sample; for a clinical score using the remaining three predictive clinical features (urine cloudiness, dysuria, and nocturia), NPV was 67% for none of the features, and PPV was 82% for three features. CONCLUSION A clinical score is of limited value in increasing diagnostic precision. Dipstick results can modestly improve diagnostic precision but poorly rule out infection. Clinicians need strategies to take account of poor NPVs.
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Affiliation(s)
- Paul Little
- Community Clinical Sciences Division, University of Southampton, Aldermoor Health Centre, Aldermoor Close, Southampton.
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Little P, Moore MV, Turner S, Rumsby K, Warner G, Lowes JA, Smith H, Hawke C, Leydon G, Arscott A, Turner D, Mullee M. Effectiveness of five different approaches in management of urinary tract infection: randomised controlled trial. BMJ 2010; 340:c199. [PMID: 20139214 PMCID: PMC2817051 DOI: 10.1136/bmj.c199] [Citation(s) in RCA: 134] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To assess the impact of different management strategies in urinary tract infections. DESIGN Randomised controlled trial. SETTING Primary care. PARTICIPANTS 309 non-pregnant women aged 18-70 presenting with suspected urinary tract infection. INTERVENTION Patients were randomised to five management approaches: empirical antibiotics; empirical delayed (by 48 hours) antibiotics; or targeted antibiotics based on a symptom score (two or more of urine cloudiness, urine smell, nocturia, or dysuria), a dipstick result (nitrite or both leucocytes and blood), or a positive result on midstream urine analysis. Self help advice was controlled in each group. MAIN OUTCOME MEASURES Symptom severity (days 2 to 4) and duration, and use of antibiotics. RESULTS Patients had 3.5 days of moderately bad symptoms if they took antibiotics immediately. There were no significant differences in duration or severity of symptoms (mean frequency of symptoms on a 0 to 6 scale: immediate antibiotics 2.15, midstream urine 2.08, dipstick 1.74, symptom score 1.77, delayed antibiotics 2.11; likelihood ratio test for the five groups P=0.177). There were differences in antibiotic use (immediate antibiotics 97%, midstream urine 81%, dipstick 80%, symptom score 90%, delayed antibiotics 77%; P=0.011) and in sending midstream urine samples (immediate antibiotics 23%, midstream urine 89%, dipstick 36%, symptom score 33%, delayed antibiotics 15%; P<0.001). Patients who waited at least 48 hours to start taking antibiotics reconsulted less (hazard ratio 0.57 (95% confidence interval 0.36 to 0.89), P=0.014) but on average had symptoms for 37% longer than those taking immediate antibiotics (incident rate ratio 1.37 (1.11 to 1.68), P=0.003), particularly the midstream urine group (73% longer, 22% to 140%; none of the other groups had more than 22% longer duration). CONCLUSION All management strategies achieve similar symptom control. There is no advantage in routinely sending midstream urine samples for testing, and antibiotics targeted with dipstick tests with a delayed prescription as backup, or empirical delayed prescription, can help to reduce antibiotic use. STUDY REGISTRATION National Research Register N0484094184 ISRCTN: 03525333.
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Affiliation(s)
- P Little
- Primary Care Medical Group, Community Clinical Sciences Division, University of Southampton School of Medicine, Southampton SO16 5ST.
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Little P, Merriman R, Turner S, Rumsby K, Warner G, Lowes JA, Smith H, Hawke C, Leydon G, Mullee M, Moore MV. Presentation, pattern, and natural course of severe symptoms, and role of antibiotics and antibiotic resistance among patients presenting with suspected uncomplicated urinary tract infection in primary care: observational study. BMJ 2010; 340:b5633. [PMID: 20139213 PMCID: PMC2817050 DOI: 10.1136/bmj.b5633] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To assess the natural course and the important predictors of severe symptoms in urinary tract infection and the effect of antibiotics and antibiotic resistance. DESIGN Observational study. SETTING Primary care. PARTICIPANTS 839 non-pregnant adult women aged 18-70 presenting with suspected urinary tract infection. MAIN OUTCOME MEASURE Duration and severity of symptoms. RESULTS 684 women provided some information on symptoms; 511 had both laboratory results and complete symptom diaries. For women with infections sensitive to antibiotics, severe symptoms, rated as a moderately bad problem or worse, lasted 3.32 days on average. After adjustment for other predictors, moderately bad symptoms lasted 56% longer (incidence rate ratio 1.56, 95% confidence interval 1.22 to 1.99, P<0.001) in women with resistant infections; 62% longer (1.62, 1.13 to 2.31, P=0.008) when no antibiotics prescribed; and 33% longer (1.33, 1.14 to 1.56, P<0.001) in women with urethral syndrome. The duration of symptoms was shorter if the doctor was perceived to be positive about diagnosis and prognosis (continuous 7 point scale: 0.91, 0.84 to 0.99; P=0.021) and longer when the woman had frequent somatic symptoms (1.03, 1.01 to 1.05, P=0.002; for each symptom), a history of cystitis, urinary frequency, and more severe symptoms at baseline. CONCLUSION Antibiotic resistance and not prescribing antibiotics are associated with a greater than 50% increase in the duration of more severe symptoms in women with uncomplicated urinary tract infection. Women with a history of cystitis, frequent somatic symptoms (high somatisation), and severe symptoms at baseline can be given realistic advice that they are likely to have severe symptoms lasting longer than three days.
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Affiliation(s)
- P Little
- Primary Care Medical Group, Community Clinical Sciences Division (CCS), School of Medicine, University of Southampton, Aldermoor Health Centre, Southampton SO16 6ST.
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Turner D, Little P, Raftery J, Turner S, Smith H, Rumsby K, Mullee M. Cost effectiveness of management strategies for urinary tract infections: results from randomised controlled trial. BMJ 2010; 340:c346. [PMID: 20139218 PMCID: PMC2817048 DOI: 10.1136/bmj.c346] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To assess the cost effectiveness of different management strategies for urinary tract infections. DESIGN Cost effectiveness analysis alongside a randomised controlled trial with a one month follow-up. SETTING Primary care. PARTICIPANTS 309 non-pregnant adult women aged 18-70 presenting with suspected urinary tract infection. INTERVENTIONS Patients were randomised to five basic management approaches: empirical antibiotics, empirical delayed (by 48 hours) antibiotics, or targeted antibiotics based on either a high symptom score (two or more of urine cloudiness, smell, nocturia, dysuria), dipstick results (nitrite or leucocytes and blood), or receipt of a positive result on midstream urine analysis. MAIN OUTCOME MEASURE Duration of symptoms and cost of care. RESULTS Management with targeted antibiotics with midstream urine analysis was more costly over the period of one month. Costs for the midstream urine analysis and dipstick management groups were pound37 and pound35, respectively; these compared with pound31 for immediate antibiotics. Cost effectiveness acceptability curves suggested that if avoiding a day of moderately bad symptoms was valued at less than pound10, then immediate antibiotics is likely to be the most cost effective strategy. For values over pound10, targeted antibiotics with dipstick testing becomes the most cost effective strategy, though because of the uncertainty we can never be more than 70% certain that this strategy truly is the most cost effective. CONCLUSION Dipstick testing with targeted antibiotics is likely to be cost effective if the value of saving a day of moderately bad symptoms is pound10 or more, but caution is required given the considerable uncertainty surrounding the estimates.
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Affiliation(s)
- David Turner
- Wessex Institute, University of Southampton, Alpha House, Southampton Science Park, Chilworth, Southampton SO16 7NS.
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Adams J, Mullee M, Burridge J, Hammond A, Cooper C. Responsiveness of self-report and therapist-rated upper extremity structural impairment and functional outcome measures in early rheumatoid arthritis. Arthritis Care Res (Hoboken) 2010; 62:274-8. [DOI: 10.1002/acr.20078] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Yardley L, Kirby S, Barker F, Little P, Raftery J, King D, Morris A, Mullee M. An evaluation of the cost-effectiveness of booklet-based self-management of dizziness in primary care, with and without expert telephone support. BMC Ear Nose Throat Disord 2009; 9:13. [PMID: 20098640 PMCID: PMC2810289 DOI: 10.1186/1472-6815-9-13] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2009] [Accepted: 12/29/2009] [Indexed: 12/14/2022]
Abstract
Background Dizziness is a very common symptom that often leads to reduced quality of life, anxiety and emotional distress, loss of fitness, lack of confidence in balance, unsteadiness and an increased risk of falling. Most dizzy patients are managed in primary care by reassurance and medication to suppress symptoms. Trials have shown that chronic dizziness can be treated effectively in primary care using a self-help booklet to teach patients vestibular rehabilitation exercises that promote neurological adaptation and skill and confidence in balance. However, brief support from a trained nurse was provided in these trials, and this model of managing dizzy patients has not been taken up due to a lack of skills and resources in primary care. The aim of this trial is to evaluate two new alternative models of delivery that may be more feasible and cost-effective. Methods/Design In a single blind two-centre pragmatic controlled trial, we will randomise 330 patients from 30 practices to a) self-help booklet with telephone support from a vestibular therapist, b) self-help booklet alone, c) routine medical care. Symptoms, disability, handicap and quality of life will be assessed by validated questionnaires administered by post at baseline, immediately post-treatment (3 months), and at one year follow-up. The study is powered to test our primary hypothesis, that the self-help booklet with telephone support will be more effective than routine care. We will also explore the effectiveness of the booklet without any support, and calculate the costs of treatment in each arm. Discussion If our trial indicates that patients can cost-effectively manage their dizziness in primary care, then it can be easily rolled out to relieve the symptoms of the many patients in primary care who currently have chronic, untreated, disabling dizziness. Treatment in primary care may reduce the development of psychological and physical sequelae that cause handicap and require treatment. There is also the potential to reduce the cost to the NHS of treating dizziness by reducing demand for referral to secondary care for specialist assessment and treatment. Trial Registration ClinicalTrials.gov trial registration ID number: NCT00732797
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Affiliation(s)
- Lucy Yardley
- School of Psychology, University of Southampton, Highfield, Southampton, UK
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Little P, Turner S, Rumsby K, Warner G, Moore M, Lowes JA, Smith H, Hawke C, Turner D, Leydon GM, Arscott A, Mullee M. Dipsticks and diagnostic algorithms in urinary tract infection: development and validation, randomised trial, economic analysis, observational cohort and qualitative study. Health Technol Assess 2009; 13:iii-iv, ix-xi, 1-73. [PMID: 19364448 DOI: 10.3310/hta13190] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVES To estimate clinical and dipstick predictors of infection and develop and test clinical scores; to compare management using clinical and dipstick scores with commonly used alternative strategies; to estimate the cost-effectiveness of each strategy; and to understand the natural history of urinary tract infection (UTI) and women's concerns about its presentation and management. DESIGN There were six studies: (1) validation development for diagnostic clinical and dipstick scores; (2) validation of the scores developed; (3) observation of the natural history of UTI; (4) randomised controlled trial (RCT) of scores developed in study 1; (5) economic analysis of the RCT; (6) qualitative study of patients in the RCT. SETTING Primary care. PARTICIPANTS Women aged 17-70 with suspected UTI. INTERVENTIONS Patients were randomised to five management approaches: empirical antibiotics; empirical delayed antibiotics; target antibiotics based on a higher symptom score; target antibiotics based on dipstick results; or target antibiotics based on a positive mid-stream specimen of urine (MSU). MAIN OUTCOME MEASURES Antibiotic use, use of MSUs, rates of reconsultation and duration, and severity of symptoms. RESULTS (1) 62.5% of women had confirmed UTI. Only nitrite, leucocyte esterase and blood independently predicted diagnosis of UTI. A dipstick rule--based on having nitrite or both leucocytes and blood--was moderately sensitive (77%) and specific (70%) [positive predictive value (PPV) 81%, negative predictive value (NPV) 65%]. A clinical rule--based on having two of urine cloudiness, offensive smell, reported moderately severe dysuria, moderately severe nocturia--was less sensitive (65%) (specificity 69%, PPV 77%, NPV 54%). (2) 66% of women had confirmed UTI. The predictive values of nitrite, leucocyte esterase and blood were confirmed. The dipstick rule was moderately sensitive (75%) but less specific (66%) (PPV 81%, NPV 57%). (3) Symptoms rated as moderately bad or worse lasted 3.25 days on average for infections sensitive to antibiotics; resistant infections lasted 56% longer, infections not treated with antibiotics 62% longer and symptoms associated with urethral syndrome 33% longer. Symptom duration was shorter if the doctor was perceived to be positive about prognosis, and longer with frequent somatic symptoms, previous history of cystitis, urinary frequency and more severe symptoms at baseline. (4) 66% of the MSU group had laboratory-confirmed UTI. Women suffered 3.5 days of moderately bad symptoms if they took antibiotics immediately but 4.8 days if they delayed taking antibiotics for 48 hours. Taking bicarbonate or cranberry juice had no effect. (5) The MSU group was more costly over 1 month but not over 1 year. Cost-effectiveness acceptability curves showed that for a value per day of moderately bad symptoms of over 10 pounds, the dipstick strategy is most likely to be cost-effective. (6) Fear of spread to the kidneys, blood in the urine, and the impact of symptoms on vocational and leisure activities were important triggers for seeking help. When patients are asked to delay taking antibiotics the uncomfortable and worrying journey from 'person to patient' needs to be acknowledged and the rationale behind delaying the antibiotics made clear. CONCLUSIONS To achieve good symptom control and reduce antibiotic use clinicians should either offer a 48-hour delayed antibiotic prescription to be used at the patient's discretion or target antibiotic treatment by dipsticks (positive nitrite or positive leucocytes and blood) with the offer of a delayed prescription if dipstick results are negative.
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Affiliation(s)
- P Little
- Community Clinical Sciences Division, University of Southampton, UK
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McCann DC, Worsfold S, Law CM, Mullee M, Petrou S, Stevenson J, Yuen HM, Kennedy CR. Reading and communication skills after universal newborn screening for permanent childhood hearing impairment. Arch Dis Child 2009; 94:293-7. [PMID: 19015215 DOI: 10.1136/adc.2008.151217] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Birth in periods with universal newborn screening (UNS) for permanent childhood hearing impairment (PCHI) and early confirmation of PCHI have been associated with superior subsequent language ability in children with PCHI. However their effects on reading and communication skills have not been addressed in a population-based study. METHODS In a follow-up study of a large birth cohort in southern England, we measured reading by direct assessment and communication skills by parent report in 120 children with bilateral moderate, severe or profound PCHI aged 5.4-11.7 years, of whom 61 had been born in periods with UNS, and in a comparison group of 63 children with normal hearing. RESULTS Compared with birth during periods without UNS, birth during periods with UNS was associated with better reading scores (inter-group difference 0.39 SDs, 95% CI 0.02 to 0.76, p = 0.042) and communication skills scores (difference 0.51 SDs, 95% CI 0.06 to 0.95, p = 0.026). Compared with later confirmation, confirmation of PCHI by age 9 months was also associated with better reading (difference 0.51 SDs, 95% CI 0.15 to 0.87, p = 0.006) and communication skills (difference 0.56 SDs, 95% CI 0.12 to 1.00, p = 0.013). In the children with PCHI, reading, communication and language ability were highly correlated (r = 0.62-0.84, p<0.001). CONCLUSION Birth during periods with UNS and early confirmation of PCHI predict better reading and communication abilities at primary school age. These benefits represent functional gains of sufficient magnitude to be important in children with PCHI.
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Affiliation(s)
- D C McCann
- Child Health, Southampton General Hospital, Southampton, UK
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Abstract
AIM To examine and explore factors that may influence the recording of vital signs in adult patients within the initial 15 min and again within 60 min of arrival in the "resuscitation" and "major" areas of the emergency department (ED). METHODS A retrospective analysis of recording of vital signs was performed on 400 consecutive sets of notes from adult patients presenting to the "major" or "resuscitation" areas of a district general hospital ED. The effect of staffing levels, triage category and attendances on the recording of vital signs was examined using logistic regression. The main outcome measures were the proportion of patients with all vital signs recorded within 15 min of arrival, the proportion of patients with all vital signs repeated within 60 min of arrival and the outcomes of logistic regression analysis. RESULTS Only 223/387 patients (58%) had all vital signs recorded within 15 min of arrival and only 29/387 (7%) had all vital signs repeated at 60 min. There was a significant relationship between the failure to record vital signs and lower triage categories. There was no evidence that staffing levels or number of attendances predicted the recording of vital signs within 15 min of arrival. CONCLUSION Recording of vital signs was poor and unrelated to staffing levels or numbers of patients attending the ED. Failure to record patients' vital signs undermines strategies to detect and manage ill patients.
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Affiliation(s)
- B Armstrong
- Emergency Department, Basingstoke & North Hampshire Foundation Hospital, Basingstoke RG24 9NA, UK.
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Adams J, Burridge J, Mullee M, Hammond A, Cooper C. The clinical effectiveness of static resting splints in early rheumatoid arthritis: a randomized controlled trial. Rheumatology (Oxford) 2008; 47:1548-53. [DOI: 10.1093/rheumatology/ken292] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Watkin P, McCann D, Law C, Mullee M, Petrou S, Stevenson J, Worsfold S, Yuen HM, Kennedy C. Language ability in children with permanent hearing impairment: the influence of early management and family participation. Pediatrics 2007; 120:e694-701. [PMID: 17766510 DOI: 10.1542/peds.2006-2116] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE The goal was to examine the relationships between management after confirmation, family participation, and speech and language outcomes in the same group of children with permanent childhood hearing impairment. METHODS Speech, oral language, and nonverbal abilities, expressed as z scores and adjusted in a regression model, and Family Participation Rating Scale scores were assessed at a mean age of 7.9 years for 120 children with bilateral permanent childhood hearing impairment from a 1992-1997 United Kingdom birth cohort. Ages at institution of management and hearing aid fitting were obtained retrospectively from case notes. RESULTS Compared with children managed later (> 9 months), those managed early (< or = 9 months) had higher adjusted mean z scores for both receptive and expressive language, relative to nonverbal ability, but not for speech. Compared with children aided later, a smaller group of more-impaired children aided early did not have significantly higher scores for these outcomes. Family Participation Rating Scale scores showed significant positive correlations with language and speech intelligibility scores only for those with confirmation after 9 months and were highest for those with late confirmed, severe/profound, permanent childhood hearing impairment. CONCLUSIONS Early management of permanent childhood hearing impairment results in improved language. Family participation is also an important factor in cases that are confirmed late, especially for children with severe or profound permanent childhood hearing impairment.
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Affiliation(s)
- Peter Watkin
- Audiology Department, Whipps Cross University Hospital NHS Trust, Whipps Cross Road, Leytonstone, London E11 1NR, England.
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Gibson D, Bruton A, Lewith GT, Mullee M. Effects of Acupuncture As A Treatment for Hyperventilation Syndrome: A Pilot, Randomized Crossover Trial. J Altern Complement Med 2007; 13:39-46. [PMID: 17309376 DOI: 10.1089/acm.2006.5283] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Sustained and subtle hyperventilation can result in a wide variety of symptoms, leading to a chronic condition that has been termed hyperventilation syndrome (HVS). Treatment options include physiotherapy, in the form of breathing retraining (BR), but additional approaches aim to reduce the anxiety that is recognized as being a frequent component of this condition. OBJECTIVES The aim of this study was to evaluate whether acupuncture is an appropriate treatment for HVS to reduce anxiety, and whether a crossover trial is an appropriate study design to evaluate acupuncture in this condition. DESIGN A single-blind crossover trial was carried out comparing the effects of 4 weeks (30 minutes twice weekly) acupuncture and BR on patients with HVS. SUBJECTS Ten (10) patients diagnosed with HVS were recruited to the trial and randomized into two groups. Both groups received acupuncture and BR with a washout period of 1 week. OUTCOME MEASURES The primary outcome measure used was the Hospital Anxiety and Depression (HAD) Scale. Other outcome measures used were the Nijmegen questionnaire and Medical Research Council Dyspnea scale. RESULTS The results showed statistically significant treatment differences between acupuncture and breathing retraining, in favor of acupuncture. Reductions were found in the HAD A (anxiety) (p = 0.02) and Nijmegen (symptoms) (p = 0.03) scores. There was no statistical evidence of any carryover effects. However, when graphically examining individual anxiety scores, in those who received acupuncture first, there was a reduction in anxiety levels which persisted through the washout period, suggesting that there may have been some carryover effect from this treatment. CONCLUSIONS This study suggests that acupuncture may be beneficial in the management of HVS in terms of reducing anxiety levels and symptom severity. However, there may be some carryover effect, after acupuncture treatment, which went undetected because the small sample size. This preliminary study provides the basis for a larger, sufficiently powered and methodologically sound trial.
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Affiliation(s)
- Denise Gibson
- Physiotherapy Department, Southampton University Hospitals National Health Service Trust, Southampton, Southampton, UK.
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George S, Primrose J, Talbot R, Smith J, Mullee M, Bailey D, du Boulay C, Jordan H. Will Rogers revisited: prospective observational study of survival of 3592 patients with colorectal cancer according to number of nodes examined by pathologists. Br J Cancer 2006; 95:841-7. [PMID: 16969342 PMCID: PMC2360535 DOI: 10.1038/sj.bjc.6603352] [Citation(s) in RCA: 104] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
To investigate the relationship between survival in colorectal cancer patients and the number of lymph nodes examined by a pathologist, previously attributed to stage migration, we used data from a cohort of 5174 colorectal cancer patients recruited between September 1991 and August 1994, and followed-up for 5 years. We selected cases with data present on all prognostic variables, and stratified them into three groups by number of nodes examined. We made a multivariate survival comparison using a Cox regression model. In all, there were 3592 cases with data present on all prognostic variables. Patients who had >10 nodes identified had a significant survival advantage over those who had 5–10 identified, who had in turn a similar advantage over those with 0–4 identified (P<0.001). This effect was present in the whole group and at all Dukes' stages, although statistically significant only in stages B (P=0.004) and C (P=0.019). The effect remained after adjustment in a Cox regression model in which the mean number of nodes taken out by each surgical firm did not predict survival. In a sub-group with data on lymphocytic infiltration into the primary tumour a survival advantage was noted in those with prominent rather than mild infiltration (P<0.001): the former also tended to have more nodes found (P=0.015). Stage migration alone cannot explain these results, as survival advantages are noted across the whole population independent of stage. Lymphocytic infiltration into the primary tumour is prognostically important, and is associated with the number of nodes found. Reactive enlargement of lymph nodes in the mesentery may make them easier to find, reflect immune response to the tumour, and thus indirectly impact upon survival.
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Affiliation(s)
- S George
- Public Health Sciences and Medical Statistics, Southampton General Hospital, University of Southampton, Mailpoint 805, Tremona Road, Southampton SO16 6YD, UK.
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Little P, Turner S, Rumsby K, Warner G, Moore M, Lowes JA, Smith H, Hawke C, Mullee M. Developing clinical rules to predict urinary tract infection in primary care settings: sensitivity and specificity of near patient tests (dipsticks) and clinical scores. Br J Gen Pract 2006; 56:606-12. [PMID: 16882379 PMCID: PMC1874525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2005] [Revised: 12/05/2005] [Accepted: 02/09/2006] [Indexed: 05/11/2023] Open
Abstract
BACKGROUND Suspected urinary tract infection (UTI) is one of the most common presentations in primary care. Systematic reviews have not documented any adequately powered studies in primary care that assess independent predictors of laboratory diagnosis. AIM To estimate independent clinical and dipstick predictors of infection and to develop clinical decision rules. DESIGN OF STUDY Validation study of clinical and dipstick findings compared with laboratory testing. SETTING General practices in the south of England. METHOD Laboratory diagnosis of 427 women with suspected UTI was assessed using European urinalysis guidelines. Independent clinical and dipstick predictors of diagnosis were estimated. RESULTS UTI was confirmed in 62.5% of women with suspected UTI. Only nitrite, leucocyte esterase (+ or greater), and blood (haemolysed trace or greater) independently predicted diagnosis (adjusted odds ratios 6.36, 4.52, 2.23 respectively). A dipstick decision rule, based on having nitrite, or both leucocytes and blood, was moderately sensitive (77%) and specific (70%); positive predictive value (PPV) was 81% and negative predictive value (NPV) was 65%. Predictive values were improved by varying the cut-off point: NPV was 73% for all three dipstick results being negative, and PPV was 92% for having nitrite and either blood or leucocyte esterase. A clinical decision rule, based on having two of the following: urine cloudiness, offensive smell, and dysuria and/or nocturia of moderate severity, was less sensitive (65%) (specificity 69%; PPV 77%, NPV 54%). NPV was 71% for none of the four clinical features, and the PPV was 84% for three or more features. CONCLUSIONS Simple decision rules could improve targeting of investigation and treatment. Strategies to use such rules need to take into account limited negative predictive value, which is lower than expected from previous research.
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Affiliation(s)
- Paul Little
- Community Clinical Sciences Division, Southampton University, UK.
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Kennedy CR, McCann DC, Campbell MJ, Law CM, Mullee M, Petrou S, Watkin P, Worsfold S, Yuen HM, Stevenson J. Language ability after early detection of permanent childhood hearing impairment. N Engl J Med 2006; 354:2131-41. [PMID: 16707750 DOI: 10.1056/nejmoa054915] [Citation(s) in RCA: 291] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Children with bilateral permanent hearing impairment often have impaired language and speech abilities. However, the effects of universal newborn screening for permanent bilateral childhood hearing impairment and the effects of confirmation of hearing impairment by nine months of age on subsequent verbal abilities are uncertain. METHODS We studied 120 children with bilateral permanent hearing impairment identified from a large birth cohort in southern England, at a mean of 7.9 years of age. Of the 120 children, 61 were born during periods with universal newborn screening and 57 had hearing impairment that was confirmed by nine months of age. The primary outcomes were language as compared with nonverbal ability and speech expressed as z scores (the number of standard deviations by which the score differed from the mean score among 63 age-matched children with normal hearing), adjusted for the severity of the hearing impairment and for maternal education. RESULTS Confirmation of hearing impairment by nine months of age was associated with higher adjusted mean z scores for language as compared with nonverbal ability (adjusted mean difference for receptive language, 0.82; 95 percent confidence interval, 0.31 to 1.33; and adjusted mean difference for expressive language, 0.70; 95 percent confidence interval, 0.13 to 1.26). Birth during periods with universal newborn screening was also associated with higher adjusted z scores for receptive language as compared with nonverbal ability (adjusted mean difference, 0.60; 95 percent confidence interval, 0.07 to 1.13), although the z scores for expressive language as compared with nonverbal ability were not significantly higher. Speech scores did not differ significantly between those who were exposed to newborn screening or early confirmation and those who were not. CONCLUSIONS Early detection of childhood hearing impairment was associated with higher scores for language but not for speech in midchildhood.
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Affiliation(s)
- Colin R Kennedy
- Department of Child Health, University of Southampton, Southampton, United Kingdom.
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Rushforth H, Burge D, Mullee M, Jones S, McDonald H, Glasper EA. Nurse-led paediatric pre operative assessment: an equivalence study. Paediatr Nurs 2006; 18:23-9. [PMID: 16634381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
AIM to explore whether nurses can undertake the pre operative assessment of children prior to day case surgery as safely as senior house officers. DESIGN a randomised controlled trial involving 595 children, using an equivalence methodology (a method which looks for similarity rather than a significant difference). Pre-operative assessment prior to day case surgery was randomised to either a nurse (experimental group) or a junior doctor (control group). Blinded expert verification of nurse/junior doctor performance was ascertained by an experienced anaesthetist (the 'gold standard'). RESULTS there was equivalence between nurses and senior house officers in their ability to detect clinically significant abnormalities within the sample population. Subgroup analysis also demonstrated equivalence in respect of history taking abilities. The smaller number of clinically significant physical findings within the sample meant that equivalence in respect of physical examination remains uncertain. Although the study was limited to a single setting, the results demonstrate nurses' equivalence with junior doctors in a discrete paediatric context.
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Rushforth H, Burge D, Mullee M, Jones S, McDonald H, Glasper EA. Nurse-led paediatric pre operative assessment: an equivalence study. ACTA ACUST UNITED AC 2006. [DOI: 10.7748/paed.18.3.23.s21] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Michels J, Foria V, Mead B, Jackson G, Mullee M, Johnson PWM, Packham G. Immunohistochemical analysis of the antiapoptotic Mcl-1 and Bcl-2 proteins in follicular lymphoma. Br J Haematol 2006; 132:743-6. [PMID: 16487175 DOI: 10.1111/j.1365-2141.2005.05954.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In the present study, we investigated the expression of Mcl-1 and Bcl-2 by immunohistochemistry in 85 patients of grades 1-3 and transformed follicular lymphoma (FL). In lymphoma tissue, centroblasts uniformly expressed high levels of Mcl-1 (Mcl-1(hi)) whereas centrocytes demonstrated low Mcl-1 expression (Mcl-1(lo)). Bcl-2 expression in centroblasts/centrocytes was reciprocal to Mcl-1 staining in most cases. A high number of Mcl-1(hi) centroblasts in tissue sections (> or =200/high-power field) correlated with poor overall survival (P < 0.001), independent of the International Prognostic Index and FL grade. This suggests that the number of centroblasts with strong Mcl-1 staining is associated with clinical outcome in FL patients.
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Affiliation(s)
- Jorg Michels
- Cancer Research UK Oncology Unit, Cancer Sciences Division, University of Southampton School of Medicine, Southampton General Hospital, Southampton, UK.
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Williamson I, Benge S, Mullee M, Little P. Consultations for middle ear disease, antibiotic prescribing and risk factors for reattendance: a case-linked cohort study. Br J Gen Pract 2006; 56:170-5. [PMID: 16536956 PMCID: PMC1828259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2004] [Revised: 03/16/2005] [Accepted: 07/27/2005] [Indexed: 05/07/2023] Open
Abstract
BACKGROUND Otitis media is the most common reason for children to receive antibiotics, but there is no evidence about the effect of prescribing on reattendance. AIM To evaluate the changing workload of middle ear disease in general practice, and the impact on surgery reattendance of prescribing antibiotics at first attendance. DESIGN OF STUDY A case-linked cohort analysis for antibiotic prescribing versus no prescribing at first consultation event. SETTING Two hundred and ninety-one practices spread throughout the UK recording for the General Practice Research Database (GPRD) and incorporating individual patient data records for 2,265,574 patients. METHOD All middle ear disease coded events that can be classed within acute otitis media (AOM) or glue ear sub-categories (and excluding chronic suppurative otitis media) were selected for analysis when the first event was from 1991-2001. The effect of antibiotic prescription on the risk of reattendance using Cox proportional hazards regression was analysed. RESULTS Total consultations for AOM have fallen markedly over this decade, and glue ear consultations have risen but by a much smaller extent (26,000 decrease versus 4000 increase in consultations per year), which makes relabelling an unlikely explanation of the fall in AOM consultations. In the 2-10 years age range, consultations for AOM fell from 105.3 to 34.7 per 1000 per year, with glue ear consultations unaltered (15.2 to 16.7 per 1000 per year). Antibiotic prescribing for AOM has stayed remarkably constant (80-84% of consultations), but antibiotic prescribing for glue ear has risen sharply (13 to 62%). Prescribing antibiotics increased the risk of reattendance for AOM (hazard ratio [HR] = 1.09, 95% confidence interval [CI] = 1.07 to 1.10) and has reduced the risk of reattendance for glue ear (HR = 0.92, 95% CI = 0.88 to 0.96). CONCLUSION Prescribing antibiotics for AOM probably increased reattendance, but the opposite effect has been noted for glue ear, which suggests a treatment effect of antibiotics in glue ear. Further research is needed to clarify whether this possible benefit is worth the known harms, and if so in which subgroups of children.
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Affiliation(s)
- Ian Williamson
- Department of Primary Medical Care, Community Clinical Science Division, School of Medicine, University of Southampton, Southampton.
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Abstract
Inflammation plays a part in the etiology of dementia. Whether this is the primary pathogenesis, or a secondary reaction is unclear. We postulate that since systemic infection can provoke the enhanced synthesis of inflammatory mediators in the brain, such diseases may promote the onset of dementia. We carried out a nested case-control study using the General Practice Research Database. Cases were patients with incident dementia, and controls without such a diagnosis. Infectious episodes in the four years preceding diagnosis were counted using diagnostic codes, or prescription codes for anti-infective drugs. We considered age, sex, smoking, diabetes mellitus, and frequency of consultation as potential confounders. There were 9954 valid cases, and 9374 valid controls. Cases were on average older, more likely to be female, to smoke and to have diabetes, than the controls. There was an increased risk of diagnosis of dementia in those patients older than 84 with infections (OR for 2 or more infections compared with 0 or 1 = 1.4, 95% CI 1.2 to 1.7). Smoking and diabetes mellitus were also shown to markedly increase the risk of diagnosis of dementia. We have shown a positive association between episodes of infection and increased likelihood of diagnosis of dementia in the very elderly. Smoking and diabetes mellitus are associated with onset of dementia in the elderly. The evidence from this study may represent cause and effect, since there is a credible biologic explanation.
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Rickenbach M, Mullee M, Smith F, Scallan S. Innovative training posts: trust-attached general practice registrars. Education for Primary Care 2006; 17:130-137. [DOI: 10.1080/14739879.2006.11864049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Roderick P, Nicholson T, Armitage A, Mehta R, Mullee M, Gerard K, Drey N, Feest T, Greenwood R, Lamping D, Townsend J. An evaluation of the costs, effectiveness and quality of renal replacement therapy provision in renal satellite units in England and Wales. Health Technol Assess 2005; 9:1-178. [PMID: 15985188 DOI: 10.3310/hta9240] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVES To survey of the structure, processes and organisation of renal satellite units (RSUs) in England and Wales (Phase 1), and to compare the effectiveness, acceptability, accessibility and economic impact of chronic haemodialysis performed in RSUs compared to main renal units (MRUs) (Phase 2). DATA SOURCES Phase 1: all renal satellite units in England and Wales. Phase 2: haemodialysis patients in a representative sample (based on geography, site, private--public ownership, medical input) of 12 RSUs and their MRUs. REVIEW METHODS Phase 1 consisted of a questionnaire survey. Semi-structured interviews were held in a representative sample of 24 RSUs with the senior clinician, senior nurse and manager. Phase 2 consisted of a cross-sectional comparison of patients in these RSUs and patients in the parent MRUs deemed suitable for satellite care by senior staff. Clinical information was obtained from medical notes and unit computer systems. Generic and disease specific health-related quality of life (HRQoL) measures were used. Co-morbidity was assessed by the Wright/Khan Index, the Lister/Chandna score, the Modified Charlson Index, and the Karnofsky Performance Score. Statistical analyses compared RSU versus MRU patients and took account of the paired and clustered nature of the data. RESULTS In Phase 1, responses were received from 74/80 (93%) of RSUs; 2600 patients were being treated in these RSUs. The interviews were generally positive about the impact of RSUs in terms of improved accessibility and a better environment for chronic haemodialysis (HD) patients, and in expanding renal replacement therapy patients (RRT) capacity. In Phase 2, some 82% of eligible patients took part, 394 patients in the 12 RSUs and 342 in the parent MRUs. The response rate was similar in both groups. There were no significant differences in clinical processes of care. Most clinical outcomes were similar, especially after pooled analysis, although a few parameters were statistically significantly different -- notably the proportion achieving Renal Association Standards for adequacy of dialysis as measured by the urea reduction ratio (URR) was higher in the RSU patients. Patient-specific quality of life did not differ except on the patient satisfaction questions from the KDQOL, which were scored higher by the RSU sample. Strength of preference for health status on and off dialysis was very similar between the groups, as were EQ-5D utilities. Major adverse events were not common in the RSU patients, although there were many hypotensive episodes on HD, a proportion of which affected the duration of the HD session. Of the costs measured, the only difference that was statistically significant was for District Nurse visits. Of particular note was that despite the MRU group having a higher proportion of patients hospitalised, this did not translate into a statistically significant budgetary impact in terms of the total cost per patient of hospitalisations or mean cost per patient per hospitalisation. CONCLUSIONS This study has shown that RSUs are an effective alternative to MRU HD for a wide spectrum of patients. They improve geographic access for more dispersed areas and reduce patients' travel time, and are generally more acceptable to patients on several criteria. There does not seem to be an adverse impact of care in the RSUs although comparative long-term prospective data are lacking. The evidence suggests that satellite development could be successfully expanded; not all MRUs have any satellites and many have only a few. No single RSU model can be recommended but key factors would include local geography, the likely catchment population and the type of patients to be treated. There is a need for more basic budgetary information linking activity and expenditure to be available and more transparent, to perform at least an insightful top-down costing of the two care settings. Other areas suggested for further research include: a comparison of adverse events occurring in MRUs and RSUs with longer duration and larger numbers to identify more severe events, along with the more research into the scope for preventing such events, and a study into the patients deemed ineligible for satellite care. International comparisons of satellite care would also be useful.
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Affiliation(s)
- P Roderick
- Health Care Research Unit, University of Southampton, UK
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