Fig. 1From: Efficacy and safety of acupuncture for hand osteoarthritis: study protocol for a multi-center, randomized, sham-controlled clinical trialSchedule of enrolment, interventions, and assessments. VAS: Visual analog scale; AUSCAN: Australian Canadian Osteoarthritis Hand Index; FIHOA: Functional Index for hand OA; WHOQOL-BREF: World Health Organization Quality of Life abbreviated versionBack to article page