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Psychometric evaluation of osteoarthritis questionnaires: a systematic review of the literature.
Veenhof, C., Bijlsma, J.W.J., Ende, C.H.M. van den, Dijk, G.M. van, Pisters, M.F., Dekker, J. Psychometric evaluation of osteoarthritis questionnaires: a systematic review of the literature. Annals of the Rheumatic Diseases: 2006, 65(suppl. 2) 409. Abstract. Annual European Congress of Rheumatology on 21-24 june 2006 in Amsterdam, the Netherlands.
Objective: 1. To identify and describe all available questionnaires designed to assess pain, physical function and patient global assessment in patient with osteoarthritis (OA) of hip and/or knee. 2. To evaluate evidence for the psychometric qualities of these questionnaires. Methods: Instruments were identified through systematic literature searches. Information relating to the characteristics and validity, reproducibility, and responsiveness of the questionnaires was systematically extracted from published papers and rated according to a checklist of criteria. Results: The 32 questionnaires that met the inclusion criteria could be divided in 24 condition-specific instruments, 7 generic instruments and 1 patient-specific scale. Most studies were found for the condition-specific WOMAC and generic SF-36. These instruments also demonstrated, overall, the highest ratings. None of the investigated questionnaires demonstrated satisfactory results for all qualities of the checklist. Conclusion: Although the final choice of a questionnaire depends on the purpose of assessment, at this moment the WOMAC and SF-36 seem to be the most appropriate instruments to measure pain and physical function in patients with hip and/or knee OA. Therefore, the WOMAC and SF-36 could be recommended in guidelines concerning outcome measurement in OA trials, completed with a measure on patient global assessment. (aut. ref.)
Objective: 1. To identify and describe all available questionnaires designed to assess pain, physical function and patient global assessment in patient with osteoarthritis (OA) of hip and/or knee. 2. To evaluate evidence for the psychometric qualities of these questionnaires. Methods: Instruments were identified through systematic literature searches. Information relating to the characteristics and validity, reproducibility, and responsiveness of the questionnaires was systematically extracted from published papers and rated according to a checklist of criteria. Results: The 32 questionnaires that met the inclusion criteria could be divided in 24 condition-specific instruments, 7 generic instruments and 1 patient-specific scale. Most studies were found for the condition-specific WOMAC and generic SF-36. These instruments also demonstrated, overall, the highest ratings. None of the investigated questionnaires demonstrated satisfactory results for all qualities of the checklist. Conclusion: Although the final choice of a questionnaire depends on the purpose of assessment, at this moment the WOMAC and SF-36 seem to be the most appropriate instruments to measure pain and physical function in patients with hip and/or knee OA. Therefore, the WOMAC and SF-36 could be recommended in guidelines concerning outcome measurement in OA trials, completed with a measure on patient global assessment. (aut. ref.)