Fig. 2From: Comparison of the responsiveness of the WOMAC and the 12-item WHODAS 2.0 in patients with Kashin–Beck diseaseReceiver operating characteristic curves for the change scores for the WOMAC and the 12-item WHODAS 2.0 and their subscales compared with the external criterion of the JDI with an improvement rate ≥ 30%. a The WOMAC and its subscales. b The 12-item WHODAS 2.0 and its subscales. WOMAC, Western Ontario and McMaster Universities Osteoarthritis index; WHODAS 2.0, World Health Organization Disability Assessment Schedule 2.0; JDI, joint dysfunction indexBack to article page