Fig. 2From: A multi-center, randomized controlled clinical trial, cost-effectiveness and qualitative research of electroacupuncture with usual care for patients with non-acute pain after back surgery: study protocol for a randomized controlled trialSPIRIT figure of enrolment, interventions, and assessments. EA electroacupuncture, UC usual care, VAS visual analogue scale, ODI Oswestry Disability Index, EQ-5D EuroQol five-dimensional questionnaireBack to article page