Fig. 2From: Analgesic efficacy of the bilateral erector spinae plane block for colorectal surgery: a randomized controlled trialA VASresting scores of the groups at different time points. B VAScoughing scores of the groups at different time points. C VASinspiration scores of the groups at different time points. Data are expressed as mean ± standard deviation. Abbreviations: VAS, visual analog scale; PACU, postanesthesia care unit; ESP, erector spinae plane. *p < 0.05 statistically significant according to group ESPBack to article page