Fig. 1From: Comparison of erector spinae plane block and serratus anterior plane block for postoperative analgesia in uniportal thoracoscopic lobectomy: a randomized controlled trialParticipant flow through the study. Abbreviations: ESPB, erector spinae plane blocks; SAPB, serratus anterior plane blocks. a Participant may have been ineligible for more than 1 reason. b Block randomization method was used to assign all eligible persons to 1 of 3 intervention groupsBack to article page