Fig. 1From: Nociceptive and stress hormonal state during abdominal, laparoscopic, and vaginal hysterectomy as predictors of postoperative pain perceptionIntraoperative PTT and HR levels in total (a and d), in general anesthesia (b and e), and general and epidural anesthesia combined (c and f). PTT pulse transit time (microsecond), HR heart rate (beats per minute), AH abdominal hysterectomy, LH laparoscopic hysterectomy, VH vaginal hysterectomy. Differences between groups were calculated using one-way ANOVA for continuous variables. Error bars represent standard errors of the meansBack to article page