Validation study of WOMAC: a health status instrument for measuring clinically important patient relevant outcomes to antirheumatic drug therapy in patients with osteoarthritis of the hip or knee.
Affiliations:
(1) University of Western Ontario
(2) Faculty of Health Sciences, McMaster University
(3) Clinical Epidemiology and Biostatistics, McMaster University
(4) Department of Statistical and Actuarial Sciences, University of Western Ontario
Source: J Rheumatol. 1988 Dec;15(12):1833-40.
DOI: Not specified
Publication date:
1988 Dec
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Language: English
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Keywords
Article abstract
Within the context of a double blind randomized controlled parallel trial of 2 nonsteroidal antiinflammatory drugs, we validated WOMAC, a new multidimensional, self-administered health status instrument for patients with osteoarthritis of the hip or knee. The pain, stiffness and physical function subscales fulfil conventional criteria for face, content and construct validity, reliability, responsiveness and relative efficiency. WOMAC is a disease-specific purpose built high performance instrument for evaluative research in osteoarthritis clinical trials.
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