Figure 2From: Transversus abdominis-plane block versus local anesthetic wound infiltration in lower abdominal surgery: a systematic review and meta-analysis of randomized controlled trials Random-effects meta-analysis of mean VAS pain score at rest 2Â h following surgery with TAP block and LAI. LAI, local anesthetic infiltration; TAP, transversus abdominis plane; VAS, visual analog scale.Back to article page