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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.

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Affiliations

  • 1. University of Western Ontario, London, Canada.
      Authors
    • Bellamy N 1
    (1 author)

ORCIDs linked to this article

The Journal of Rheumatology, 01 Dec 1988, 15(12):1833-1840
PMID: 3068365 

A comment on this article appears in "Patient-reported outcome measures in arthroplasty registries Report of the Patient-Reported Outcome Measures Working Group of the International Society of Arthroplasty Registries Part II. Recommendations for selection, administration, and analysis." Acta Orthop. 2016 Jul;87 Suppl 1:9-23. A comment on this article appears in "Good validity and reliability of the forgotten joint score in evaluating the outcome of total knee arthroplasty." Acta Orthop. 2016 Jun;87(3):280-5.

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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