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Tan MHP, Ong SC, Vasan Thakumar A, Mustafa N. Quantifying health-related quality of life in Malaysian type 2 diabetes: focusing on complication types and severity. Qual Life Res 2023:10.1007/s11136-023-03360-x. [PMID: 36781810 DOI: 10.1007/s11136-023-03360-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/30/2023] [Indexed: 02/15/2023]
Abstract
PURPOSE There is a knowledge gap of health utility values for Type 2 Diabetes Mellitus (T2DM) complications in Malaysia. This study aimed to estimate EQ-5D-5L utility values and evaluate health-related quality of life (HRQoL) for Malaysian T2DM associated with complications and clinical characteristics. METHODS A cross-sectional study was conducted on T2DM patients at a tertiary hospital outpatient using the Malay and English version of the EQ-5D-5L questionnaire. Health utility values were derived using the Malaysian EQ-5D-5L value set. Ordinary least squares (OLS) multivariable regression model was used to estimate the health utility decrements associated with T2DM-related complications and clinical characteristics. RESULTS A total of 513 T2DM patients were recruited. Overall, pain was the most affected of all five EQ-5D-5L dimensions. Patients with foot ulcer, amputation, severe heart failure and frequent hypoglycemia reported more problems collectively in all EQ-5D-5L dimensions. Older age, lower education level, longer duration of T2DM, urine protein creatine index (UPCI) > 0.02 g/mmol, and injection therapy were significantly associated with lower EQ-5D-5L utility values (p < 0.004, Bonferroni adjusted). The lowest unadjusted utility values were reported for severe heart failure 0.65 (interquartile range, IQR 0.50), frequent hypoglycemia 0.74 (0.22) and being amputated 0.78 (0.47). In the multivariable regression model after controlling for sociodemographic and clinical characteristics, the largest utility value decrement was observed for amputation (- 0.158, SE 0.087, p = 0.05), frequent hypoglycemia (- 0.101, SE 0.030, p = 0.001), myocardial infarction (-0.050, SE 0.022, p = 0.022) and obesity (-0.034, SE 0.016, p = 0.029). CONCLUSION Larger utility value decrements were found for severe stages of complications. These findings suggest the value of defining severity of complications in utility elicitation studies. The utility decrement quantified for different T2DM complication severity will be useful for economic evaluations within diabetic-related fields.
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Affiliation(s)
- Michelle Hwee Pheng Tan
- Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Science, Universiti Sains Malaysia, 11800, Gelugor, Pulau Pinang, Malaysia.,Pharmacy Department, Hospital Canselor Tuanku Muhriz, Universiti Kebangsaan Malaysia, 56000, Cheras, Kuala Lumpur, Malaysia
| | - Siew Chin Ong
- Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Science, Universiti Sains Malaysia, 11800, Gelugor, Pulau Pinang, Malaysia.
| | - Annushiah Vasan Thakumar
- Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Science, Universiti Sains Malaysia, 11800, Gelugor, Pulau Pinang, Malaysia
| | - Norlaila Mustafa
- Department of Medicine, Universiti Kebangsaan Malaysia, UKM, 43600, Bangi, Selangor, Malaysia
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Seo M, Watanabe T, Yamada T, Yano M, Hayashi T, Nakagawa A, Nakagawa Y, Tamaki S, Yasumura Y, Sotomi Y, Hikoso S, Nakatani D, Fukunami M, Sakata Y. The clinical relevance of quality of life in heart failure patients with preserved ejection fraction. ESC Heart Fail 2022; 10:995-1002. [PMID: 36510693 PMCID: PMC10053171 DOI: 10.1002/ehf2.14270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/26/2022] [Accepted: 11/30/2022] [Indexed: 12/15/2022] Open
Abstract
AIMS Patient reported outcomes (PROs) are gradually being incorporated into daily practice to assess individual health-related quality of life (QOL). However, despite accumulating evidence of the prognostic utility of heart failure (HF)-specific QOL indices, evidence on the generic QOL score is scarce, especially in patients with HF with preserved ejection fraction (HFpEF). METHODS AND RESULTS Patient data were extracted from the Prospective mUlticenteR obServational stUdy of patIenTs with Heart Failure with Preserved Ejection Fraction (PURSUIT HFpEF) study. EuroQol 5 dimensions 5-level (EQ-5D-5L) data were obtained at discharge to evaluate patients' health-related QOL. The study population (n = 864) was divided into tertiles based on their EQ-5D-5L index as follows: low EQ-5D-5L 0.038-0.664 (n = 287), middle EQ-5D-5L 0.665-0.867 (n = 293), and high EQ-5D-5L 0.871-1.000 (n = 284). A total of 206 patients died over a mean follow-up period of 2.0 ± 1.2 years. Kaplan-Meier analysis revealed that the risk of mortality increased with the tertile of the EQ-5D-5L index (34% vs. 23% vs. 14%, P < 0.001). Cox multivariable analysis revealed that patients with EQ-5D-5L index in the low and middle tertiles had a significantly greater risk of mortality than those with EQ-5D-5L index in the high tertile [low EQ-5D-5L: adjusted hazard ratio (HR): 1.81 (1.12-2.92), P = 0.002, middle EQ-5D-5L: adjusted HR 1.91 (1.21-3.03), P = 0.006]. Among the dimensions of EQ-5D-5L, mobility (P = 0.014), self-care (P = 0.023) and usual activities (P = 0.008) were significant factors associated with all-cause mortality after multivariable adjustment. CONCLUSIONS EQ-5D-5L is useful tool for risk stratification in patients with HFpEF.
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Affiliation(s)
- Masahiro Seo
- Division of Cardiology, Osaka General Medical Center, 3-1-56 Mandaihigashi, Sumiyoshi-ku, Osaka, 558-8558, Japan
| | - Tetsuya Watanabe
- Division of Cardiology, Osaka General Medical Center, 3-1-56 Mandaihigashi, Sumiyoshi-ku, Osaka, 558-8558, Japan
| | - Takahisa Yamada
- Division of Cardiology, Osaka General Medical Center, 3-1-56 Mandaihigashi, Sumiyoshi-ku, Osaka, 558-8558, Japan
| | - Masamichi Yano
- Division of Cardiology, Osaka Rosai Hospital, 3-1179 Nagasonecho, Kita-ku, Sakai, Osaka, 591-8025, Japan
| | - Takaharu Hayashi
- Division of Cardiology, Osaka Police Hospital, 10-31 Kitayamacho, Tennoji-ku, Osaka, 543-0035, Japan
| | - Akito Nakagawa
- Division of Cardiovascular Medicine, Amagasaki-Chuo Hospital, 1-12-1 Shioe, Amagasaki, Hyogo, 661-0976, Japan.,Department of Medical Informatics, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Japan
| | - Yusuke Nakagawa
- Division of Cardiology, Kawanishi City Hospital, 5-21-1, Kawanishi, Hyogo, 666-0195, Japan
| | - Shunsuke Tamaki
- Department of Cardiology, Rinku General Medical Center, 2-23 Ourai-kita, Rinku, Izumisano, Osaka, 598-8577, Japan
| | - Yoshio Yasumura
- Division of Cardiovascular Medicine, Amagasaki-Chuo Hospital, 1-12-1 Shioe, Amagasaki, Hyogo, 661-0976, Japan
| | - Yohei Sotomi
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Japan
| | - Shungo Hikoso
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Japan
| | - Daisaku Nakatani
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Japan
| | - Masatake Fukunami
- Division of Cardiology, Osaka General Medical Center, 3-1-56 Mandaihigashi, Sumiyoshi-ku, Osaka, 558-8558, Japan
| | - Yasushi Sakata
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Japan
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Zheng J, Parizo JT, Spertus JA, Heidenreich PA, Sandhu AT. Cost-effectiveness of Empagliflozin in Patients With Heart Failure With Preserved Ejection Fraction. JAMA Intern Med 2022; 182:1278-1288. [PMID: 36342696 PMCID: PMC9641590 DOI: 10.1001/jamainternmed.2022.5010] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 09/16/2022] [Indexed: 11/09/2022]
Abstract
Importance In the Empagliflozin Outcome Trial in Patients With Chronic Heart Failure With Preserved Ejection Fraction (EMPEROR-Preserved), empagliflozin significantly reduced hospitalizations for heart failure while improving patient-reported health status compared with placebo. The long-term cost-effectiveness of empagliflozin among patients who have heart failure with preserved ejection fraction (HFpEF) remains unclear. Objective To estimate the cost-effectiveness of empagliflozin in patients with HFpEF. Design, Setting, and Participants This cost-effectiveness analysis performed from October 2021 to April 2022 included a Markov model using estimates of treatment efficacy, event probabilities, and utilities from EMPEROR-Preserved and published literature. Costs were derived from national surveys and pricing data sets. Quality of life was imputed from a heart failure-specific quality-of-life measure. Two analyses were performed, with and without a treatment effect on cardiovascular mortality. Subgroup analyses were based on diabetes status, ejection fraction, and health status impairment due to heart failure. The model reproduced the event rates and risk reduction with empagliflozin observed in EMPEROR-Preserved over 26 months of follow-up; future projections extended across the lifetime of patients. Exposures Empagliflozin or standard of care. Main Outcomes and Measures Hospitalizations for heart failure, life-years, quality-adjusted life-years (QALYs), lifetime costs, and lifetime incremental cost-effectiveness ratio. Results A total of 5988 patients were included in the analysis, with a mean age of 72 years, New York Heart Association class II to IV heart failure, and left ventricular ejection fraction greater than 40%. At the Federal Supply Schedule price of $327 per month, empagliflozin yielded 0.06 additional QALYs and $26 257 incremental costs compared with standard of care, producing a cost per QALY gained of $437 442. Incremental costs consisted of total drug costs of $29 586 and savings of $3329 from reduced hospitalizations for heart failure. Cost-effectiveness was similar across subgroups. The results were most sensitive to the monthly cost, quality-of-life benefit, and mortality effect of empagliflozin. A price reduction to $153 per month, incremental utility of 0.02, or 8% reduction in cardiovascular mortality would bring empagliflozin to $180 000 per QALY gained, the threshold for intermediate value. Using Medicare Part D monthly pricing of $375 after rebates and $511 before rebates, empagliflozin would remain low value at $509 636 and $710 825 per QALY gained, respectively. Cost-effectiveness estimates were robust to variation in the frequency and disutility of heart failure hospitalizations. Conclusions and Relevance In this economic evaluation, based on current cost-effectiveness benchmarks, empagliflozin provides low economic value compared with standard of care for HFpEF, largely due to its lack of efficacy on mortality and small benefit on quality of life.
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Affiliation(s)
- Jimmy Zheng
- Stanford University School of Medicine, Stanford, California
| | - Justin T. Parizo
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University, Stanford, California
| | - John A. Spertus
- St Luke’s Mid America Heart Institute, University of Missouri–Kansas City
| | - Paul A. Heidenreich
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University, Stanford, California
- Division of Cardiology, Veterans Affairs Palo Alto Health Care System, Palo Alto, California
| | - Alexander T. Sandhu
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University, Stanford, California
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Bull C, Teede H, Watson D, Callander EJ. Selecting and Implementing Patient-Reported Outcome and Experience Measures to Assess Health System Performance. JAMA HEALTH FORUM 2022; 3:e220326. [DOI: 10.1001/jamahealthforum.2022.0326] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Affiliation(s)
- Claudia Bull
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
| | - Helena Teede
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
- Monash Partners Academic Health Science Centre, Clayton, Victoria, Australia
| | - Diane Watson
- Bureau of Health Information, New South Wales Health, St Leonards, New South Wales, Australia
| | - Emily J. Callander
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
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Mayo NE, Ow N, Asano M, Askari S, Barclay R, Figueiredo S, Hawkins M, Hum S, Inceer M, Kaur N, Kuspinar A, Mate KKV, Moga AM, Mozafarinia M. Reducing research wastage by starting off on the right foot: optimally framing the research question. Qual Life Res 2022; 31:2889-2899. [PMID: 35312956 DOI: 10.1007/s11136-022-03117-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE Strongly framed research questions are clear as to the population (P), the exposures or interventions (E/I), comparison groups (C), outcomes (O), time when relevant (T), and what the investigator wants to know. A solid framework sets up the measurement model, analysis, and anticipated results. The purpose of this study was to estimate the extent to which research questions in journals that focused on patient-reported outcome measures (PROM) and quality of life (QOL) are clear. METHODS All 440 research articles published in four PROM journals in 2020. excluding reviews, psychometric, and qualitative papers, were reviewed. Research questions were classified as: (i) adequately framed (ii) poorly framed; or (iii) unframed based on clarity criteria. Examples from each journal were presented and reframed to match results in the article. RESULTS Of 440 articles, 195 (44.3%) were classified as adequately framed; 230 (52.2%) as poorly framed; and 15 (3.4%) as unframed. There was heterogeneity across journals (Chi-square: 20.8; 6 df; p = 0.002). Only 29% were framed according to what the investigators wanted to know; 72% were framed like a "to do" list; and 6% were framed as a research agenda. CONCLUSION Almost half of the questions were poorly framed or unframed a practice that could contribute to research wastage. Even "adequately framed" questions rarely stated what they wanted to know a priori, increasing the risk of biased reporting. Researchers, reviewers, and editors should encourage the use established frameworks for research questions.
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Affiliation(s)
- Nancy E Mayo
- School of Physical and Occupational Therapy, Divisions of Clinical Epidemiology, Geriatrics, Experimental Medicine, Department of Medicine, McGill University, Center for Outcomes Research and Evaluation (CORE) McGill University Health Centre (MUHC)-Research Institute, Montreal, Canada. .,School of Physical and Occupational Therapy, Divisions of Clinical Epidemiology, Geriatrics, Experimental Medicine, Faculty of Medicine and Health Sciences, McGill University, Center for Outcomes Research and Evaluation (CORE) McGill University Health Centre-Research Institute (RI-MUHC), Montreal, QC, Canada.
| | - Nikki Ow
- Occupational Science and Occupational Therapy, Faculty of Medicine, University of British Columbia, Foundry Central Office, Vancouver, Canada
| | - Miho Asano
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore
| | - Sorayya Askari
- School of Occupational Therapy, Dalhousie University, Halifax, Canada
| | - Ruth Barclay
- Department of Physical Therapy, College of Rehabilitation Sciences, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Sabrina Figueiredo
- Department of Clinical Research and Leadership, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
| | - Melanie Hawkins
- Centre for Global Health and Equity, Faculty of Health, Arts and Design, Swinburne University of Technology, Melbourne, Australia
| | - Stanley Hum
- Brain Health Outcomes Platform, Montreal Neurological Institute and Hospital, Montreal, Canada
| | - Mehmet Inceer
- School of Physical and Occupational Therapy, Faculty of Medicine and Health Sciences, McGill University, Center for Outcomes Research and Evaluation (CORE) McGill University Health Centre (MUHC)-Research Institute, Montreal, Canada
| | - Navaldeep Kaur
- Department of Physical Therapy, Rehabilitation Sciences Institute, University of Toronto, Toronto, Canada
| | - Ayse Kuspinar
- School of Rehabilitation Science, McMaster University, Hamilton, ON, Canada
| | - Kedar K V Mate
- Centre for Neurological Restoration, Cleveland Clinic, Cleveland, USA
| | - Ana Maria Moga
- School of Physical and Occupational Therapy, Faculty of Medicine and Health Sciences, McGill University, Center for Outcomes Research and Evaluation (CORE) McGill University Health Centre (MUHC)-Research Institute, Montreal, Canada
| | - Maryam Mozafarinia
- Division of Experimental Medicine, Faculty of Medicine and Health Sciences, McGill University, Center for Outcomes Research and Evaluation (CORE) McGill University Health Centre (MUHC)-Research Institute, Montreal, Canada
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6
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Bull C, Teede H, Carrandi L, Rigney A, Cusack S, Callander E. Evaluating the development, woman-centricity and psychometric properties of maternity patient-reported outcome measures (PROMs) and patient-reported experience measures (PREMs): A systematic review protocol. BMJ Open 2022; 12:e058952. [PMID: 35144957 PMCID: PMC8845328 DOI: 10.1136/bmjopen-2021-058952] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/19/2022] [Indexed: 12/05/2022] Open
Abstract
INTRODUCTION Woman-centred care is the right of every woman receiving maternity care, irrespective of where care is being received and who is providing care. This protocol describes a planned systematic review that will identify, describe and critically appraise the psychometric properties of maternity patient-reported outcome measures (PROMs) and patient-reported experience measures (PREMs). The woman-centricity of PROM and PREM development and content validation (ie, the extent to which women were involved in these processes) will also be assessed. This information will be used to develop a maternity PROMs and PREMs database to support service and system performance measurement, and value-based maternity care initiatives. METHODS AND ANALYSIS This study will be guided by the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) guideline for systematic reviews of outcome measurement instruments. Studies identified via MEDLINE, CINAHL Plus, PsycINFO and EMBASE describing the development, content validation and/or psychometric evaluation of PROMs and PREMs specifically designed for maternity populations throughout pregnancy, childbirth and postnatal periods will be considered if published from 2010 onward, in English, and available in full text. The COSMIN risk of bias checklist will be used to evaluate the quality of studies reporting on the development, content validation and/or psychometric evaluation of PROMs and PREMs. COSMIN criteria for good content validity will be used to assess the woman-centricity of PROM and PREM development and content validation studies. COSMIN standards of good psychometric properties will be used to evaluate the validity and reliability of the identified instruments. ETHICS AND DISSEMINATION Ethical permission for this research is not required. The findings of this research will be submitted for publication in an international, peer-reviewed journal. Abstracts for national and international conference presentations will also be submitted. The proposed maternity PROMs and PREMs database will be freely accessible online, and developed with consumer input to ensure its usefulness to a range of maternity care stakeholders. PROSPERO REGISTRATION NUMBER CRD42021288854.
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Affiliation(s)
- Claudia Bull
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Helena Teede
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
- Monash Partners Academic Health Science Centre, Monash University, Clayton, Victoria, Australia
| | - Lane Carrandi
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Azure Rigney
- Maternity Choices Australia, Springwood, Queensland, Australia
| | - Sally Cusack
- Maternity Choices Australia, Springwood, Queensland, Australia
| | - Emily Callander
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
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Teni FS, Rolfson O, Devlin N, Parkin D, Nauclér E, Burström K. Longitudinal study of patients' health-related quality of life using EQ-5D-3L in 11 Swedish National Quality Registers. BMJ Open 2022; 12:e048176. [PMID: 34992101 PMCID: PMC8739074 DOI: 10.1136/bmjopen-2020-048176] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE To compare problems reported in the five EQ-5D-3L dimensions and EQ VAS scores at baseline and at 1-year follow-up among different patient groups and specific diagnoses in 11 National Quality Registers (NQRs) and to compare these with the general population. DESIGN Longitudinal, descriptive study. PARTICIPANTS 2 66 241 patients from 11 NQRs and 49 169 participants from the general population were included in the study. PRIMARY AND SECONDARY OUTCOME MEASURES Proportions of problems reported in the five EQ-5D-3L dimensions, EQ VAS scores of participants' own health and proportions of participants and mean/median EQ VAS score in the Paretian Classification of Health Change (PCHC) categories. RESULTS In most of the included registers, and the general population, problems with pain/discomfort were the most frequently reported at baseline and at 1-year follow-up. Mean EQ VAS score (SD) ranged from 45.2 (22.4) among disc hernia patients to 88.1 (15.3) in wrist and hand fracture patients at baseline. They ranged from 48.9 (20.9) in pulmonary fibrosis patients to 83.3 (17.4) in wrist and hand fracture patients at follow-up. The improved category of PCHC, improvement in at least one dimension without deterioration in any other, accounted for the highest proportion in several diagnoses, corresponding with highest improvement in mean EQ VAS score. CONCLUSIONS The study documented self-reported health of several different patient groups using the EQ-5D-3L in comparing with the general population. This demonstrated the important role of patient-reported outcomes in routine clinical care, to assess and follow-up health status and progress within different groups of patients. The EQ-5D-3L descriptive system and EQ VAS have an important role in providing a 'common denominator', allowing comparisons across NQRs and specific diagnoses. TRIAL REGISTRATION NUMBER ClinicalTrials.gov (NCT04359628).
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Affiliation(s)
- Fitsum Sebsibe Teni
- Health Outcomes and Economic Evaluation Research Group, Stockholm Centre for Healthcare Ethics, Department of Learning, Informatics, Management and Ethics, Karolinska Institutet, Stockholm, Sweden
| | - Ola Rolfson
- Health Outcomes and Economic Evaluation Research Group, Stockholm Centre for Healthcare Ethics, Department of Learning, Informatics, Management and Ethics, Karolinska Institutet, Stockholm, Sweden
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Swedish Hip Arthroplasty Register, Gothenburg, Sweden
| | - Nancy Devlin
- Health Economics, The University of Melbourne School of Population and Global Health, Melbourne, Victoria, Australia
- Office of Health Economics, London, UK
| | - David Parkin
- Office of Health Economics, London, UK
- City University of London, London, UK
| | - Emma Nauclér
- Swedish Hip Arthroplasty Register, Gothenburg, Sweden
| | - Kristina Burström
- Health Outcomes and Economic Evaluation Research Group, Stockholm Centre for Healthcare Ethics, Department of Learning, Informatics, Management and Ethics, Karolinska Institutet, Stockholm, Sweden
- Equity and Health Policy Research Group, Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
- Health Care Services, Region Stockholm, Stockholm, Sweden
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