Fig. 4From: The effect of intraoperative lidocaine versus esmolol infusion on postoperative analgesia in laparoscopic cholecystectomy: a randomized clinical trialPost-operative pain scores at rest during various time points. Mixed model analysis showed no significant difference in pain scores over times between lidocaine and esmolol group (group time interaction effect, p = 0.38). Data are presented as median (IQR)Back to article page