Fig. 3From: Analgesic benefits of pre-operative versus postoperative transversus abdominis plane block for laparoscopic cholecystectomy: a frequentist network meta-analysis of randomized controlled trialsNetwork plot for intravenous morphine equivalents (mg) in the first 24 h. Each technique is represented at each corner of the polygon. The widths of the lines connecting interventions are proportionate to the number of trials assessing the comparisonsBack to article page