Fig. 1From: High thoracic anesthesia offers no major benefit over general anesthesia in on-pump cardiac surgery patients: a retrospective studyMean postoperative pain scores at rest by group (TEA, black; GA, white) and time (hours after surgery). Data are presented as mean ± standard deviation. TEA thoracic epidural anesthesia, GA general anesthesia, NRS numeric rating scale. *P < 0.05Back to article page