Fig. 2From: The analgesic effect of total intravenous anaesthesia with propofol versus inhalational anaesthesia for acute postoperative pain after hepatectomy: a randomized controlled trialThe weighted AUC for postoperative NRS pain scores between patients anaesthetized by TIVA and SEVO. a Pain scores at rest. b Pain scores during coughing. Data were analyzed by Mann–Whitney U test. Values expressed in median [Interquartile range]. AUC: area under the curve; NRS: numerical resting scaleBack to article page