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Terwee CB, Elders PJM, Langendoen-Gort M, Elsman EBM, Prinsen CAC, van der Heijden AA, de Wit M, Beulens JWJ, Mokkink LB, Rutters F. Content Validity of Patient-Reported Outcome Measures Developed for Assessing Health-Related Quality of Life in People with Type 2 Diabetes Mellitus: a Systematic Review. Curr Diab Rep 2022; 22:405-421. [PMID: 35819705 PMCID: PMC9355936 DOI: 10.1007/s11892-022-01482-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/18/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW We aimed to systematically evaluate the content validity of patient-reported outcome measures (PROMs) specifically developed to measure (aspects of) health-related quality of life (HRQOL) in people with type 2 diabetes. A systematic review was performed in PubMed and Embase of PROMs measuring perceived symptoms, physical function, mental function, social function/participation, and general health perceptions, and that were validated to at least some extent. Content validity (relevance, comprehensiveness, and comprehensibility) was evaluated using COSMIN methodology. RECENT FINDINGS We identified 54 (different versions of) PROMs, containing 150 subscales. We found evidence for sufficient content validity for only 41/150 (27%) (subscales of) PROMs. The quality of evidence was generally very low. We found 66 out of 150 (44%) (subscales of) PROMs with evidence for either insufficient relevance, insufficient comprehensiveness, or insufficient comprehensibility. For measuring diabetes-specific symptoms, physical function, mental function, social function/participation, and general health perceptions, we identified one to 11 (subscales of) PROMs with sufficient content validity, although quality of the evidence was generally low. For measuring depressive symptoms, no PROM with sufficient content validity was identified. For each aspect of HRQL, we found at least one PROM with sufficient content validity, except for depressive symptoms. The quality of the evidence was mostly very low.
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Affiliation(s)
- Caroline B Terwee
- Amsterdam UMC, Department of Epidemiology and Data Science, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands.
| | - Petra J M Elders
- Amsterdam UMC, Department of General Practice, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | - Marlous Langendoen-Gort
- Amsterdam UMC, Department of General Practice, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | - Ellen B M Elsman
- Amsterdam UMC, Department of Epidemiology and Data Science, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | - Cecilia A C Prinsen
- Amsterdam UMC, Department of Epidemiology and Data Science, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | - Amber A van der Heijden
- Amsterdam UMC, Department of General Practice, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | - Maartje de Wit
- Amsterdam UMC, Department of Medical Psychology, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | - Joline W J Beulens
- Amsterdam UMC, Department of Epidemiology and Data Science, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | - Lidwine B Mokkink
- Amsterdam UMC, Department of Epidemiology and Data Science, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | - Femke Rutters
- Amsterdam UMC, Department of Epidemiology and Data Science, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands
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Elsman EBM, Mokkink LB, Langendoen-Gort M, Rutters F, Beulens J, Elders PJM, Terwee CB. Systematic review on the measurement properties of diabetes-specific patient-reported outcome measures (PROMs) for measuring physical functioning in people with type 2 diabetes. BMJ Open Diabetes Res Care 2022; 10:e002729. [PMID: 35675952 PMCID: PMC9185403 DOI: 10.1136/bmjdrc-2021-002729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 05/09/2022] [Indexed: 11/03/2022] Open
Abstract
We aimed to systematically assess the measurement properties of diabetes-specific patient-reported outcome measures (PROMs) for measuring physical functioning, one of the core outcomes, in adults with type 2 diabetes.We performed a systematic literature search for PROMs or subscales measuring physical function that were validated to at least some extent in EMBASE and MEDLINE. Measurement properties were evaluated according to the COSMIN guideline for systematic reviews of PROMs.In total 21 articles were included, describing 12 versions of 7 unique diabetes-specific PROMs or subscales measuring physical functioning. In general, there were few high-quality studies on measurement properties of PROMs measuring physical functioning in adults with type 2 diabetes. The Dependence/Daily Life subscale of the Diabetic Foot Ulcer Scale-Short Form (DFS-SF) and the Impact of Weight on Activities of Daily Living Questionnaire (IWADL) were most extensively evaluated. Both had sufficient ratings for aspects of content validity, although with mostly very low-quality evidence. Sufficient ratings for structural validity, internal consistency, and reliability were also found for both instruments, but responsiveness was rated inconsistent for both instruments. The other PROMs or subscales often had insufficient aspects of content validity, or their unidimensionality could not be confirmed.This systematic review showed that the Dependence/Daily Life subscale of the DFS-SF and the IWADL could be used to measure physical functioning in people with type 2 diabetes in research or clinical practice, while keeping the limitations of these instruments in mind. The measurement properties that have not been evaluated extensively for these PROMs should be evaluated in future studies.The study protocol was registered in the PROSPERO database, number CRD42021234890.
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Affiliation(s)
- Ellen B M Elsman
- Department of Epidemiology and Data Science, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
| | - Lidwine B Mokkink
- Department of Epidemiology and Data Science, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
- Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | - Marlous Langendoen-Gort
- Department of General Practice and Elderly Care, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
| | - Femke Rutters
- Department of Epidemiology and Data Science, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
- Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | - Joline Beulens
- Department of Epidemiology and Data Science, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
| | - Petra J M Elders
- Amsterdam Public Health Research Institute, Amsterdam, Netherlands
- Department of General Practice and Elderly Care, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
| | - Caroline B Terwee
- Department of Epidemiology and Data Science, Amsterdam UMC Locatie VUmc, Amsterdam, The Netherlands
- Amsterdam Public Health Research Institute, Amsterdam, Netherlands
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