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. Author manuscript; available in PMC: 2017 May 1.
Published in final edited form as: Rheum Dis Clin North Am. 2016 Mar 17;42(2):239–252. doi: 10.1016/j.rdc.2016.01.005

Table 3.

Sensitivity to change and Responsiveness of the WOMAC Physical Function subscale

Study N ES and SRM of WOMAC Physical Function vs comparator MDC 90 MCID
Tubach46 1362 Minimally Clinical Important Improvement = 26% change
Angst47 223 SRM = 0.63 vs SF-36 Physical Function: SRM = 0.25
Williams et al 201245 116 Over 12 months: MDC90 change >= 11.8/100 Similar MCID as the Lower extremity functional scale
Tüzün, et al., 200519 72 ES = 0.80
SRM = 0.94 vs Lequesne Physical Function: ES = 0.83, SRM = 1.17