Fig. 1From: Efficacy of manual acupuncture, electro-acupuncture, and warm acupuncture for knee osteoarthritis: study protocol for a randomized controlled trialFlowchart of trial procedures. Flowchart of the trial. KOA knee osteoarthritis, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, AIMS2-SF Arthritis Quality of Life Measurement Scale Simplified Scale, BAI Beck Anxiety Inventory, BDI Beck Depression Inventory, VAS visual analog scaleBack to article page