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Fig. 7 | Journal of Anesthesia, Analgesia and Critical Care

Fig. 7

From: Analgesic efficacy and safety of erector spinae versus serratus anterior plane block in thoracic surgery: a systematic review and meta-analysis of randomized controlled trials

Fig. 7

a Forest plot for time to request the first dose of postoperative analgesia. b Forest plot for time to request the first dose of postoperative analgesia (subgroup analysis). MD Mean difference, CI Confidence interval, IV Inverse variance, SD Standard deviation, ESPB erector spinae plane block, SAPB Serratus anterior plane block

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