Comparative Analgesic Efficacies of Ropivacaine and Bupivacaine for Postoperative Rectus Sheath Block in Paediatric Abdominal Surgery: A Meta-Analysis of Randomized Controlled Trial and Retrospective Cohort Studies

Figure 4

Pain score of (a) RPV group and (b) BPV group. The square symbol on forest plot denotes the weighted mean difference for individual studies, with 95% CI of the difference represented as a solid line. The size of square and thickness of the 95% CI line resemble sample size. RPV: ropivacaine; BPV: bupivacaine.

(a)

(b)