Fig. 2From: Efficacy and safety of electrical moxibustion for knee osteoarthritis: study protocol for a randomized controlled trialSchedule to be used for enrolment, intervention, and assessments. NRS, Numerical rating scale; VAS, Visual analogue scale; K-WOMAC, Korean version of Western Ontario and McMaster Universities osteoarthritis index; PGA, Patients global assessment; EQ-5D-5L, European quality of life five dimension five level scaleBack to article page