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Koo MM, Mounce LTA, Rafiq M, Callister MEJ, Singh H, Abel GA, Lyratzopoulos G. Guideline concordance for timely chest imaging after new presentations of dyspnoea or haemoptysis in primary care: a retrospective cohort study. Thorax 2024; 79:236-244. [PMID: 37620048 DOI: 10.1136/thorax-2022-219509] [Citation(s) in RCA: 1] [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: 08/08/2022] [Accepted: 07/08/2023] [Indexed: 08/26/2023]
Abstract
BACKGROUND Guidelines recommend urgent chest X-ray for newly presenting dyspnoea or haemoptysis but there is little evidence about their implementation. METHODS We analysed linked primary care and hospital imaging data for patients aged 30+ years newly presenting with dyspnoea or haemoptysis in primary care during April 2012 to March 2017. We examined guideline-concordant management, defined as General Practitioner-ordered chest X-ray/CT carried out within 2 weeks of symptomatic presentation, and variation by sociodemographic characteristic and relevant medical history using logistic regression. Additionally, among patients diagnosed with cancer we described time to diagnosis, diagnostic route and stage at diagnosis by guideline-concordant status. RESULTS In total, 22 560/162 161 (13.9%) patients with dyspnoea and 4022/8120 (49.5%) patients with haemoptysis received guideline-concordant imaging within the recommended 2-week period. Patients with recent chest imaging pre-presentation were much less likely to receive imaging (adjusted OR 0.16, 95% CI 0.14-0.18 for dyspnoea, and adjusted OR 0.09, 95% CI 0.06-0.11 for haemoptysis). History of chronic obstructive pulmonary disease/asthma was also associated with lower odds of guideline concordance (dyspnoea: OR 0.234, 95% CI 0.225-0.242 and haemoptysis: 0.88, 0.79-0.97). Guideline-concordant imaging was lower among dyspnoea presenters with prior heart failure; current or ex-smokers; and those in more socioeconomically disadvantaged groups.The likelihood of lung cancer diagnosis within 12 months was greater among the guideline-concordant imaging group (dyspnoea: 1.1% vs 0.6%; haemoptysis: 3.5% vs 2.7%). CONCLUSION The likelihood of receiving urgent imaging concords with the risk of subsequent cancer diagnosis. Nevertheless, large proportions of dyspnoea and haemoptysis presenters do not receive prompt chest imaging despite being eligible, indicating opportunities for earlier lung cancer diagnosis.
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Affiliation(s)
- Minjoung Monica Koo
- Epidemiology of Cancer Healthcare and Outcomes (ECHO) Group, Dept. of Behavioural Science and Health, Institute of Epidemiology & Health Care (IEHC), UCL, London, UK
| | - Luke T A Mounce
- Exeter Collaboration for Academic Primary Care (APEx), University of Exeter Medical School, Exeter, UK
| | - Meena Rafiq
- Epidemiology of Cancer Healthcare and Outcomes (ECHO) Group, Dept. of Behavioural Science and Health, Institute of Epidemiology & Health Care (IEHC), UCL, London, UK
| | | | - Hardeep Singh
- Center for Innovations in Quality, Effectiveness, and Safety (IQuESt), Michael E. DeBakey Veterans Affairs Medical Center and Baylor College of Medicine, Houston, Texas, USA
- Health Services Research Section, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Gary A Abel
- Exeter Collaboration for Academic Primary Care (APEx), University of Exeter Medical School, Exeter, UK
| | - Georgios Lyratzopoulos
- Epidemiology of Cancer Healthcare and Outcomes (ECHO) Group, Dept. of Behavioural Science and Health, Institute of Epidemiology & Health Care (IEHC), UCL, London, UK
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Cranfield BM, Koo MM, Abel GA, Swann R, McPhail S, Rubin GP, Lyratzopoulos G. Primary care blood tests before cancer diagnosis: National Cancer Diagnosis Audit data. Br J Gen Pract 2023; 73:e95-e103. [PMID: 36253112 PMCID: PMC9591015 DOI: 10.3399/bjgp.2022.0265] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 09/07/2022] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Blood tests can support the diagnostic process in patients with cancer but how often they are used is unclear. AIM To explore use of common blood tests before cancer diagnosis in primary care. DESIGN AND SETTING English National Cancer Diagnosis Audit data on 39 752 patients with cancer diagnosed in 2018. METHOD Common blood test use (full blood count [FBC], urea and electrolytes [U&E], and liver function tests [LFTs]), variation by patient and symptom group, and associations with the primary care interval and the diagnostic interval were assessed. RESULTS At least one common blood test was used in 41% (n = 16 427/39 752) of patients subsequently diagnosed with cancer. Among tested patients, (n = 16 427), FBC was used in 95% (n = 15 540), U&E in 89% (n = 14 555), and LFTs in 76% (n = 12 414). Blood testing was less common in females (adjusted odds ratio versus males: 0.92, 95% confidence interval [CI] = 0.87 to 0.98) and Black and minority ethnic patients (0.89, 95% CI = 0.82 to 0.97 versus White), and more common in older patients (1.12, 95% CI = 1.06 to 1.18 for ≥70 years versus 50-69 years). Test use varied greatly by cancer site (melanoma 2% [ n = 55/2297]; leukaemia 84% [ n = 552/661]). Fewer patients presenting with alarm symptoms alone were tested (24% [ n = 3341/13 778]) than those with non-alarm symptoms alone (50% [ n = 8223/16 487]). Median primary care interval and diagnostic interval were longer in tested than non-tested patients (primary care interval: 10 versus 0 days; diagnostic interval: 49 versus 32 days, respectively, P<0.001 for both), including among tested patients with alarm symptoms (primary care interval: 4 versus 0 days; diagnostic interval: 41 versus 22 days). CONCLUSION Two-fifths of patients subsequently diagnosed with cancer have primary care blood tests as part of their diagnostic process. Given variable test use, research is needed on the clinical context in which blood tests are ordered.
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Affiliation(s)
| | | | - Gary A Abel
- University of Exeter Medical School, St Luke's Campus, Exeter
| | - Ruth Swann
- National Disease Registration Service, NHS Digital, Leeds, and Cancer Research UK, London
| | - Sean McPhail
- National Disease Registration Service, NHS Digital, Leeds
| | - Greg P Rubin
- Population Health Sciences Institute, Newcastle University, Newcastle Upon Tyne
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Forster AS, Herbert A, Koo MM, Taylor RM, Gibson F, Whelan JS, Lyratzopoulos G, Fern LA. Associations between diagnostic time intervals and health-related quality of life, clinical anxiety and depression in adolescents and young adults with cancer: cross-sectional analysis of the BRIGHTLIGHT cohort. Br J Cancer 2022; 126:1725-1734. [PMID: 35190694 PMCID: PMC9174449 DOI: 10.1038/s41416-022-01698-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [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] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 01/06/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND The association of diagnostic intervals and outcomes is poorly understood in adolescents and young adults with cancer (AYA). We investigated associations between diagnostic intervals and health-related quality of life (HRQoL), anxiety and depression in a large AYA cohort. METHODS Participants aged 12-24 completed interviews post-diagnosis, providing data on diagnostic experiences and the patient-reported outcomes (PROs) HRQoL, anxiety and depression. Demographic and cancer information were obtained from clinical and national records. Six diagnostic intervals were considered. Relationships between intervals and PROs were examined using regression models. RESULTS Eight hundred and thirty participants completed interviews. In adjusted models, across 28 of 30 associations, longer intervals were associated with poorer PROs. Patient intervals (symptom onset to first seeing a GP) of ≥1 month were associated with greater depression (adjusted odds ratio (aOR):1.7, 95% Confidence Interval (CI):1.1-2.5) compared to <1 month. ≥3 pre-referral GP consultations were associated with greater anxiety (aOR:1.6, CI:1.1-2.3) compared to 1-2 consultations. Symptom onset to first oncology appointment intervals of ≥2 months was associated with impaired HRQoL (aOR:1.8, CI:1.2-2.5) compared to <2 months. CONCLUSIONS Prolonged diagnostic intervals in AYA are associated with an increased risk of impaired HRQoL, anxiety and depression. Identifying and delivering interventions for this high-risk group is a priority.
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Affiliation(s)
- Alice S Forster
- Epidemiology of Cancer Healthcare and Outcomes (ECHO) Group, Department of Behavioural Science and Health, University College London, London, WC1E 6BT, UK
| | - Annie Herbert
- Medical Research Council, Integrative Epidemiology Unit at University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
- Population Health Sciences, University of Bristol, Bristol, BS8 2BN, UK
| | - Minjoung Monica Koo
- Epidemiology of Cancer Healthcare and Outcomes (ECHO) Group, Department of Behavioural Science and Health, University College London, London, WC1E 6BT, UK
| | - Rachel M Taylor
- Centre for Nurse, Midwife and Allied Health Profession Led Research (CNMAR), University College London Hospitals NHS Foundation Trust, London, UK
| | - Faith Gibson
- School of Health Sciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford, Surrey, GU2 7YH, UK
- Centre for Outcomes and Experience Research in Children's Health, Illness and Disability (ORCHID), Great Ormond Street Hospital for Children NHS Foundation Trust, London, WC1N 3JH, UK
| | - Jeremy S Whelan
- Cancer Clinical Trials Unit, University College London Hospitals NHS Foundation Trust, London, UK
| | - Georgios Lyratzopoulos
- Epidemiology of Cancer Healthcare and Outcomes (ECHO) Group, Department of Behavioural Science and Health, University College London, London, WC1E 6BT, UK
| | - Lorna A Fern
- Cancer Clinical Trials Unit, University College London Hospitals NHS Foundation Trust, London, UK.
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Koo MM, Unger-Saldaña K, Mwaka AD, Corbex M, Ginsburg O, Walter FM, Calanzani N, Moodley J, Rubin GP, Lyratzopoulos G. Conceptual Framework to Guide Early Diagnosis Programs for Symptomatic Cancer as Part of Global Cancer Control. JCO Glob Oncol 2021; 7:35-45. [PMID: 33405957 PMCID: PMC8081530 DOI: 10.1200/go.20.00310] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [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] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 10/06/2020] [Accepted: 11/06/2020] [Indexed: 12/15/2022] Open
Abstract
Diagnosing cancer earlier can enable timely treatment and optimize outcomes. Worldwide, national cancer control plans increasingly encompass early diagnosis programs for symptomatic patients, commonly comprising awareness campaigns to encourage prompt help-seeking for possible cancer symptoms and health system policies to support prompt diagnostic assessment and access to treatment. By their nature, early diagnosis programs involve complex public health interventions aiming to address unmet health needs by acting on patient, clinical, and system factors. However, there is uncertainty regarding how to optimize the design and evaluation of such interventions. We propose that decisions about early diagnosis programs should consider four interrelated components: first, the conduct of a needs assessment (based on cancer-site-specific statistics) to identify the cancers that may benefit most from early diagnosis in the target population; second, the consideration of symptom epidemiology to inform prioritization within an intervention; third, the identification of factors influencing prompt help-seeking at individual and system level to support the design and evaluation of interventions; and finally, the evaluation of factors influencing the health systems' capacity to promptly assess patients. This conceptual framework can be used by public health researchers and policy makers to identify the greatest evidence gaps and guide the design and evaluation of local early diagnosis programs as part of broader cancer control strategies.
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Affiliation(s)
- Minjoung Monica Koo
- Epidemiology of Cancer Healthcare and Outcomes (ECHO) Research Group, Department of Behavioural Science and Health, University College London, London, United Kingdom
| | - Karla Unger-Saldaña
- CONACYT (National Council of Science and Technology)–National Cancer Institute, Mexico City, Mexico
| | - Amos D. Mwaka
- Department of Medicine, School of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda
| | | | - Ophira Ginsburg
- Perlmutter Cancer Center and the Department of Population Health, NYU Grossman School of Medicine, NYU Langone Health, New York, NY
| | - Fiona M. Walter
- The Primary Care Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Natalia Calanzani
- The Primary Care Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Jennifer Moodley
- Women's Health Research Unit, School of Public Health and Family Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
- Cancer Research Initiative, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
- SAMRC Gynaecology Cancer Research Centre, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Greg P. Rubin
- Institute of Health and Society, Newcastle University, Sir James Spence Institute, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom
| | - Georgios Lyratzopoulos
- Epidemiology of Cancer Healthcare and Outcomes (ECHO) Research Group, Department of Behavioural Science and Health, University College London, London, United Kingdom
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Koo MM, Swann R, McPhail S, Abel GA, Renzi C, Rubin GP, Lyratzopoulos G. The prevalence of chronic conditions in patients diagnosed with one of 29 common and rarer cancers: A cross-sectional study using primary care data. Cancer Epidemiol 2020; 69:101845. [PMID: 33227628 PMCID: PMC7768190 DOI: 10.1016/j.canep.2020.101845] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 10/09/2020] [Accepted: 10/14/2020] [Indexed: 01/15/2023]
Abstract
BACKGROUND Pre-existing chronic conditions (morbidities) influence the diagnosis and management of cancer. The prevalence of specific morbidities in patients diagnosed with common and rarer cancers is inadequately described. METHODS Using data from the English National Cancer Diagnosis Audit 2014, we studied 11 pre-existing morbidities recorded as yes/no items by participating general practitioners based on information included in primary care records. We examined the number and type of morbidities across socio-demographic and cancer site strata, and subsequently estimated observed and age/sex standardised prevalence of each morbidity by cancer. RESULTS Over three-quarters (77 %; 11,429/14,774) of non-screen-detected patients had at least one chronic condition before diagnosis, while nearly half (47 %) had two or more. Hypertension (39 %) and physical disability (2%) were the most and least common conditions. Male, older and more socio-economically deprived patients were more likely to have at least one morbidity (p < 0.001 for all between variable group comparisons). For most morbidities, the standardised prevalence was similar across different cancers with a few exceptions, including respiratory disease prevalence being greatest among lung cancer patients and diabetes prevalence being greatest among liver, pancreatic, and endometrial cancer patients. CONCLUSIONS Most cancer patients have at least one morbidity, while almost one in two have two or more. The findings highlight the need to take certain morbidity- and cancer-site combinations into account when examining associations between morbidity and cancer outcomes.
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Affiliation(s)
- Minjoung Monica Koo
- University College London, 1-19 Torrington Place, London WC1E 6BT, UK; National Cancer Registration and Analysis Service, Public Health England, Wellington House, 133-155 Waterloo Road, London, SE1 8UG, UK.
| | - Ruth Swann
- National Cancer Registration and Analysis Service, Public Health England, Wellington House, 133-155 Waterloo Road, London, SE1 8UG, UK; Cancer Research UK, 2 Redman Place, London, E20 1JQ, UK
| | - Sean McPhail
- University College London, 1-19 Torrington Place, London WC1E 6BT, UK; National Cancer Registration and Analysis Service, Public Health England, Wellington House, 133-155 Waterloo Road, London, SE1 8UG, UK
| | - Gary A Abel
- University of Exeter Medical School, St Luke's Campus, Heavitree Road, Exeter, EX1 2LU, UK
| | - Cristina Renzi
- University College London, 1-19 Torrington Place, London WC1E 6BT, UK
| | - Greg P Rubin
- Institute of Health and Society, Newcastle University, Sir James Spence Institute, Royal Victoria Infirmary, Newcastle upon Tyne, NE1 4LP, UK
| | - Georgios Lyratzopoulos
- University College London, 1-19 Torrington Place, London WC1E 6BT, UK; National Cancer Registration and Analysis Service, Public Health England, Wellington House, 133-155 Waterloo Road, London, SE1 8UG, UK
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Koo MM, Swann R, McPhail S, Abel GA, Elliss-Brookes L, Rubin GP, Lyratzopoulos G. Presenting symptoms of cancer and stage at diagnosis: evidence from a cross-sectional, population-based study. Lancet Oncol 2020; 21:73-79. [PMID: 31704137 PMCID: PMC6941215 DOI: 10.1016/s1470-2045(19)30595-9] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 09/12/2019] [Accepted: 09/13/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND Early diagnosis interventions such as symptom awareness campaigns increasingly form part of global cancer control strategies. However, these strategies will have little impact in improving cancer outcomes if the targeted symptoms represent advanced stage of disease. Therefore, we aimed to examine associations between common presenting symptoms of cancer and stage at diagnosis. METHODS In this cross-sectional study, we analysed population-level data from the English National Cancer Diagnosis Audit 2014 for patients aged 25 years and older with one of 12 types of solid tumours (bladder, breast, colon, endometrial, laryngeal, lung, melanoma, oral or oropharyngeal, ovarian, prostate, rectal, and renal cancer). We considered 20 common presenting symptoms and examined their associations with stage at diagnosis (TNM stage IV vs stage I-III) using logistic regression. For each symptom, we estimated these associations when reported as a single presenting symptom and when reported together with other symptoms. FINDINGS We analysed data for 7997 patients. The proportion of patients diagnosed with stage IV cancer varied substantially by presenting symptom, from 1% (95% CI 1-3; eight of 584 patients) for abnormal mole to 80% (71-87; 84 of 105 patients) for neck lump. Three of the examined symptoms (neck lump, chest pain, and back pain) were consistently associated with increased odds of stage IV cancer, whether reported alone or with other symptoms, whereas the opposite was true for abnormal mole, breast lump, postmenopausal bleeding, and rectal bleeding. For 13 of the 20 symptoms (abnormal mole, breast lump, post-menopausal bleeding, rectal bleeding, lower urinary tract symptoms, haematuria, change in bowel habit, hoarseness, fatigue, abdominal pain, lower abdominal pain, weight loss, and the "any other symptom" category), more than 50% of patients were diagnosed at stages other than stage IV; for 19 of the 20 studied symptoms (all except for neck lump), more than a third of patients were diagnosed at stages other than stage IV. INTERPRETATION Despite specific presenting symptoms being more strongly associated with advanced stage at diagnosis than others, for most symptoms, large proportions of patients are diagnosed at stages other than stage IV. These findings provide support for early diagnosis interventions targeting common cancer symptoms, countering concerns that they might be simply expediting the detection of advanced stage disease. FUNDING UK Department of Health's Policy Research Unit in Cancer Awareness, Screening and Early Diagnosis; and Cancer Research UK.
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Affiliation(s)
- Minjoung Monica Koo
- University College London, London, UK; National Cancer Registration and Analysis Service, Public Health England, London, UK.
| | - Ruth Swann
- National Cancer Registration and Analysis Service, Public Health England, London, UK; Cancer Research UK, London, UK
| | - Sean McPhail
- University College London, London, UK; National Cancer Registration and Analysis Service, Public Health England, London, UK
| | - Gary A Abel
- University of Exeter Medical School, St Luke's Campus, Exeter, UK
| | - Lucy Elliss-Brookes
- National Cancer Registration and Analysis Service, Public Health England, London, UK
| | - Greg P Rubin
- Institute of Health and Society, Newcastle University, Sir James Spence Institute, Royal Victoria Infirmary, Newcastle upon Tyne, UK
| | - Georgios Lyratzopoulos
- University College London, London, UK; National Cancer Registration and Analysis Service, Public Health England, London, UK
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Koo MM, Rubin G, McPhail S, Lyratzopoulos G. Incidentally diagnosed cancer and commonly preceding clinical scenarios: a cross-sectional descriptive analysis of English audit data. BMJ Open 2019; 9:e028362. [PMID: 31530591 PMCID: PMC6756358 DOI: 10.1136/bmjopen-2018-028362] [Citation(s) in RCA: 14] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 06/11/2019] [Accepted: 08/14/2019] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES Cancer can be diagnosed in the absence of tumour-related symptoms, but little is known about the frequency and circumstances preceding such diagnoses which occur outside participation in screening programmes. We aimed to examine incidentally diagnosed cancer among a cohort of cancer patients diagnosed in England. DESIGN Cross-sectional study of national primary care audit data on an incident cancer patient population. SETTING We analysed free-text information on the presenting features of cancer patients aged 15 or older included in the English National Audit of Cancer Diagnosis in Primary Care (2009-2010). Patients with screen-detected cancers or prostate cancer were excluded. We examined the odds of incidental cancer diagnosis by patient characteristics and cancer site using logistic regression, and described clinical scenarios leading to incidental diagnosis. RESULTS Among the studied cancer patient population (n=13 810), 520 (4%) patients were diagnosed incidentally. The odds of incidental cancer diagnosis increased with age (p<0.001), with no difference between men and women after adjustment. Incidental diagnosis was most common among patients with leukaemia (23%), renal (13%) and thyroid cancer (12%), and least common among patients with brain (0.9%), oesophageal (0.5%) and cervical cancer (no cases diagnosed incidentally). Variation in odds of incidental diagnosis by cancer site remained after adjusting for age group and sex.There was a range of clinical scenarios preceding incidental diagnoses in primary or secondary care. These included the monitoring or management of pre-existing conditions, routine testing before or after elective surgery, and the investigation of unrelated acute or new conditions. CONCLUSIONS One in 25 patients with cancer in our population-based cohort were diagnosed incidentally, through different mechanisms across primary and secondary care settings. The epidemiological, clinical, psychological and economic implications of this phenomenon merit further investigation.
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Affiliation(s)
- Minjoung Monica Koo
- Epidemiology of Cancer Healthcare & Outcomes (ECHO) Group, Department of Behavioural Science and Health, University College of London, London, UK
| | - Greg Rubin
- Institute of Health and Society, Newcastle University, Royal Victoria Infirmary, Newcastle upon Tyne, UK
| | - Sean McPhail
- Epidemiology of Cancer Healthcare & Outcomes (ECHO) Group, Department of Behavioural Science and Health, University College of London, London, UK
- National Cancer Registration and Analysis Service, Public Health England, London, UK
| | - Georgios Lyratzopoulos
- Epidemiology of Cancer Healthcare & Outcomes (ECHO) Group, Department of Behavioural Science and Health, University College of London, London, UK
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Koo MM, von Wagner C, Abel GA, McPhail S, Hamilton W, Rubin GP, Lyratzopoulos G. The nature and frequency of abdominal symptoms in cancer patients and their associations with time to help-seeking: evidence from a national audit of cancer diagnosis. J Public Health (Oxf) 2018; 40:e388-e395. [PMID: 29385513 PMCID: PMC6166582 DOI: 10.1093/pubmed/fdx188] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [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] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 12/18/2017] [Accepted: 12/22/2017] [Indexed: 12/28/2022] Open
Abstract
Background Raising awareness of possible cancer symptoms is important for timely help-seeking; recent campaigns have focused on symptom groups (such as abdominal symptoms) rather than individual alarm symptoms associated with particular cancer sites. The evidence base supporting such initiatives is still emerging however; understanding the frequency and nature of presenting abdominal symptoms among cancer patients could inform the design and evaluation of public health awareness campaigns. Methods We examined eight presenting abdominal symptoms (abdominal pain, change in bowel habit, bloating/distension, dyspepsia, rectal bleeding, dysphagia, reflux and nausea/vomiting) among 15 956 patients subsequently diagnosed with cancer in England. We investigated the cancer site case-mix and variation in the patient interval (symptom-onset-to-presentation) by abdominal symptom. Results Almost a quarter (23%) of cancer patients presented with abdominal symptoms before being diagnosed with one of 27 common and rarer cancers. The patient interval varied substantially by abdominal symptom: median (IQR) intervals ranged from 7 (0-28) days for abdominal pain to 30 (4-73) days for dysphagia. This variation persisted after adjusting for age, sex and ethnicity (P < 0.001). Conclusions Abdominal symptoms are common at presentation among cancer patients, while time to presentation varies by symptom. The need for awareness campaigns may be greater for symptoms associated with longer intervals to help-seeking.
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Affiliation(s)
| | | | - Gary A Abel
- University of Exeter Medical School, St Luke’s Campus, Heavitree Road, Exeter, UK
| | - Sean McPhail
- National Cancer Registration and Analysis Service, Public Health England Zone A, 2nd Floor, Skipton House, 80 London Road, London, UK
| | - William Hamilton
- University of Exeter Medical School, St Luke’s Campus, Heavitree Road, Exeter, UK
| | - Greg P Rubin
- Institute of Health and Society, Newcastle University, Sir James Spence Institute, Royal Victoria Infirmary, Newcastle upon Tyne, UK
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Koo MM, von Wagner C, Abel GA, McPhail S, Rubin GP, Lyratzopoulos G. Typical and atypical presenting symptoms of breast cancer and their associations with diagnostic intervals: Evidence from a national audit of cancer diagnosis. Cancer Epidemiol 2017; 48:140-146. [PMID: 28549339 PMCID: PMC5482318 DOI: 10.1016/j.canep.2017.04.010] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [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] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 04/08/2017] [Accepted: 04/18/2017] [Indexed: 01/07/2023]
Abstract
INTRODUCTION Most symptomatic women with breast cancer have relatively short diagnostic intervals but a substantial minority experience prolonged journeys to diagnosis. Atypical presentations (with symptoms other than breast lump) may be responsible. METHODS We examined the presenting symptoms of breast cancer in women using data from a national audit initiative (n=2316). Symptoms were categorised topographically. We investigated variation in the length of the patient interval (time from symptom onset to presentation) and the primary care interval (time from presentation to specialist referral) across symptom groups using descriptive analyses and quantile regression. RESULTS A total of 56 presenting symptoms were described: breast lump was the most frequent (83%) followed by non-lump breast symptoms, (e.g. nipple abnormalities (7%) and breast pain (6%)); and non-breast symptoms (e.g. back pain (1%) and weight loss (0.3%)). Greater proportions of women with 'non-lump only' and 'both lump and non-lump' symptoms waited 90days or longer before seeking help compared to those with 'breast lump only' (15% and 20% vs. 7% respectively). Quantile regression indicated that the differences in the patient interval persisted after adjusting for age and ethnicity, but there was little variation in primary care interval for the majority of women. CONCLUSIONS About 1 in 6 women with breast cancer present with a large spectrum of symptoms other than breast lump. Women who present with non-lump breast symptoms tend to delay seeking help. Further emphasis of breast symptoms other than breast lump in symptom awareness campaigns is warranted.
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Affiliation(s)
| | | | - Gary A Abel
- University of Exeter, St Luke's Campus, Heavitree Road, Exeter EX1 2LU, UK
| | - Sean McPhail
- University College London, 1-19 Torrington Place, London WC1E 6BT, UK; National Cancer Registration and Analysis Service, Public Health England Zone A, 2nd Floor, Skipton House, 80 London Road, London SE1 6LH, UK
| | - Greg P Rubin
- School of Medicine, Pharmacy and Health, Durham University, Stockton on Tees TS17 6BH, UK
| | - Georgios Lyratzopoulos
- University College London, 1-19 Torrington Place, London WC1E 6BT, UK; National Cancer Registration and Analysis Service, Public Health England Zone A, 2nd Floor, Skipton House, 80 London Road, London SE1 6LH, UK; Cambridge Centre for Health Services Research, University of Cambridge, Cambridge CB2 0SR, UK
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Koo MM, Zhou Y, Lyratzopoulos G. Delays in diagnosis and treatment of lung cancer: Lessons from US healthcare settings. Cancer Epidemiol 2015; 39:1145-7. [PMID: 26364017 DOI: 10.1016/j.canep.2015.08.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Accepted: 08/13/2015] [Indexed: 01/27/2023]
Affiliation(s)
- M M Koo
- Health Behaviour Research Centre, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London WC1E 7HB, UK.
| | - Y Zhou
- Cambridge Centre for Health Services Research, The Primary Care Unit, Department of Public Health and Primary Care, Robinson Way, Forvie Site, Cambridge CB2 0SR, UK
| | - G Lyratzopoulos
- Health Behaviour Research Centre, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London WC1E 7HB, UK; Cambridge Centre for Health Services Research, The Primary Care Unit, Department of Public Health and Primary Care, Robinson Way, Forvie Site, Cambridge CB2 0SR, UK
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11
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Abstract
The recent availability of World Wide Web-based directories has opened up a new approach for tracing subjects in epidemiologic studies. The completeness of two World Wide Web-based directories (Canada411 and InfoSpace Canada) for subject tracing was evaluated by using a randomized crossover design for 346 adults randomly selected from respondents in an ongoing cohort study. About half (56.4%) of the subjects were successfully located by using either Canada411 or InfoSpace. Of the 43.6% of the subjects who could not be located using either directory, the majority (73.5%) were female. Overall, there was no clear advantage of one directory over the other. Although Canada411 could find significantly more subjects than InfoSpace, the number of potential matches returned by Canada411 was also higher, which meant that a longer list of potential matches had to be examined before a true match could be found. One strategy to minimize the number of potential matches per true match is to first search by InfoSpace with the last name and first name, then by Canada411 with the last name and first name, and finally by InfoSpace with the last name and first initial. Internet-based searches represent a potentially useful approach to tracing subjects in epidemiologic studies.
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Affiliation(s)
- M M Koo
- Department of Public Health Sciences, University of Toronto, Ontario, Canada
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12
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Abstract
PURPOSE Questionnaires provide a practical approach to measuring physical activity in children and adolescents, particularly for large-scale epidemiological studies. The purpose of the present study was to compare four habitual physical activity questionnaires and to assess their long-term reliabilities. METHODS Subjects were female, aged 7-15 yr (and their parents), who participated in a cohort study in which predictors of the onset of menarche were being investigated. Questionnaires consisted of three single-item and one multi-item habitual physical activity questions and were sent to the 640 participants. Test-retest reliability of the questionnaires was assessed on 100 randomly selected participants 11 months later. RESULTS The Spearman's correlation coefficient was highest (r = 0.40) between the Godin-Shephard Score and the Perspiration Score and was lowest (r = 0.10) between the Stairs Score and the Specific Activity Score. The correlation coefficients were higher when the questionnaires were reported to have been completed by the parents alone, rather than by parents with the assistance of their daughters. The test-retest reliabilities were r = 0.44 for the Perspiration Score, r = 0.59 for the Stairs Score, r = 0.48 for the Godin-Shephard Score, and r = 0.53 for the Specific Activity Score. The reliabilities were higher when the retest was reported to have been completed by the parents alone. CONCLUSIONS This study suggests that the Perspiration Score, the Godin-Shephard Score, and the Specific Activity Score may provide simple and practical measures of habitual physical activity for children and adolescents.
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Affiliation(s)
- M M Koo
- Department of Public Health Sciences, University of Toronto, Ontario, Canada
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13
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Abstract
This study was conducted as part of the third annual follow-up of a cohort of 657 girls to test the accuracy of short-term recall of age at menarche. During the first and second annual follow-ups of the cohort, 101 girls had reported menarche. We sent questionnaires to these subjects at the third annual follow-up and asked them to recall the month and year of their menarche. Eighty-eight respondents returned their questionnaires with the relevant information. Overall, 59.1% of the respondents were able to recall their menarche with the exact month and year. The mean recall interval was 430 days. When the data were grouped by the interval of recall, higher accuracy was observed with a shorter interval of recall. With a mean interval of recall of 323 days, 66.1% of the subjects were able to recall their menarche correctly, whereas with a mean interval of 649 days, only 44.8% of the subjects were able to recall correctly.
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Affiliation(s)
- M M Koo
- University of Toronto, Ontario, Canada
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14
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15
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16
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Abstract
The effects of soybean saponins (SS) and gypsophilla saponin (GS) on the growth and viability of colon tumor (HCT-15) cells in culture were investigated. Cells were incubated in various concentrations of saponins for 1 hour (short term) or 48 hours (long term). Cell growth and viability were monitored at 24 and 48 hours. SS and GS inhibited cell growth and reduced cell viability in a dose-dependent manner in long-term treatment. The viability of cells was also reduced by short-term treatment with GS. The saponins differed in their effects on cell surface morphology: GS induced a rough and granular cell surface, whereas SS-treated cells displayed only minor morphological alterations. Changes in membrane permeability were assessed by measuring leakage of the cytoplasmic enzyme lactate dehydrogenase from cells. GS showed a concentration-dependent increase in lactate dehydrogenase leakage, whereas SS did not exhibit this effect. These results suggest that SS and GS have a significant growth-inhibitory effect on colon tumor cells in culture. However, it would appear that they are acting through different mechanisms.
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Affiliation(s)
- M K Sung
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Ontario, Canada
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