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Development and testing of a reduced WOMAC function scale

Whitehouse, Sarah L., Lingard, Elizabeth A., Katz, Jeffrey N., & Learmonth, Ian D. (2003) Development and testing of a reduced WOMAC function scale. Journal of Bone and Joint Surgery: British Volume, 85(5), pp. 706-711.

Abstract

We used prospective data from 862 total knee and 716 total hip replacements three years after surgery in order to derive and validate a reduced Western Ontario and McMasters University Osteoarthritis Index (WOMAC) function scale. The reduced scale was derived using the advice of clinical experts as well as analysis of data. The scale was tested for validity, reliability and responsiveness. Items which were retained included: ascending stairs, rising from sitting, walking on the flat, getting in or out of a car, putting on socks, rising from bed, and sitting. The reduced and full scales had comparable, moderate correlations with other measures of function, confirming convergent validity. Cronbach's alpha was high (alpha > 0.85) with the reduced scale confirming reliability. Responsiveness was greater for the reduced scale (full = 1.4, reduced = 1.6). This reduced version of the WOMAC function scale provides a practical, valid, reliable and responsive alternative to the full function scale for use after total joint replacement. Further work is needed to demonstrate its wider applicability

Impact and interest:

66 citations in Scopus
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53 citations in Web of Science®

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ID Code: 5600
Item Type: Journal Article
Additional Information: s.whitehouse@qut.edu.au
Additional URLs:
ISSN: 0301-620X
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Orthopaedics (110314)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2003 British Editorial Society of Bone and Joint Surgery
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 27 Nov 2006
Last Modified: 29 Feb 2012 23:31

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