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Clinical Trial
. 1997 Dec;24(12):2413-5.

Validation study of a computerized version of the Western Ontario and McMaster Universities VA3.0 Osteoarthritis Index

N Bellamy  1 , J Campbell, J Stevens, L Pilch, C Stewart, Z Mahmood
Affiliations
  • PMID: 9415651
Clinical Trial

Validation study of a computerized version of the Western Ontario and McMaster Universities VA3.0 Osteoarthritis Index

N Bellamy et al. J Rheumatol. 1997 Dec.

Abstract

Objective: To study the validity and feasibility of a computerized version of the Western Ontario and McMaster Universities (WOMAC) Osteoarthritis Index.

Methods: Thirty patients with osteoarthritis (OA) of the knee completed both a paper and a computerized version of WOMAC in random order. The visual analog scaled version of WOMAC, VA3.0, was used. We studied criterion validity by comparing the paper and computerized versions.

Results: All patients completed the computerized version without undue difficulty. Criterion validity, based on aggregated subscale scores, was excellent: Pain, ICC = 0.89, Stiffness, ICC = 0.87, Physical Function, ICC = 0.95.

Conclusion: The computerized version of WOMAC VA3.0 is a valid alternative to the paper version.

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