Fig. 2From: Effect and neurophysiological mechanism of acupuncture in patients with chronic sciatica: protocol for a randomized, patient-assessor blind, sham-controlled clinical trialStandard Protocol Items: Recommendations for Interventional Trials (SPIRIT) Figure of enrollment, interventions, and assessments. EA electroacupuncture, VAS visual analog scale, ODI Oswestry Disability Index, EQ-5D EuroQol five-dimensional questionnaire, CSQ Coping Strategy Questionnaire, BDI Beck’s Depression Inventory, STAI State-Trait Anxiety InventoryBack to article page