Fig. 3From: Efficacy of electro-acupuncture and manual acupuncture versus sham acupuncture for knee osteoarthritis: study protocol for a randomised controlled trialSchedule of enrollment, intervention and assessments (SPIRIT Figure) AFT, after the first treatment; WOMAC Western Ontario and McMaster Universities Osteoarthritis Index; SF-12 12-item Short Form Health SurveyBack to article page