Fig. 2

(a) A comparison of the trend in the intraoperative heart rate between the study groups. ESPB, erector spinae plane block. (b): A comparison of the trend in the intraoperative systolic blood pressure between the study groups. ESPB, erector spinae plane block; SBP, systolic blood pressure. (c) A comparison of the trend in intraoperative mean arterial pressure between the study groups. ESPB, erector spinae plane block; MAP, mean arterial pressure