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Table 3 Correlations between intraoperative and postoperative stress indicators

From: Nociceptive and stress hormonal state during abdominal, laparoscopic, and vaginal hysterectomy as predictors of postoperative pain perception

Principal stress indicators

r s

P value

PTT and mean postoperative pain VAS

0.04

0.776

PTT and postoperative analgesics use

0.29

0.27

PTT and intraoperative Propofol dose

0.44

0.038

HR and mean postoperative pain VAS

−0.21

0.162

HR and call for postoperative analgesics use

0.13

0.62

Intraoperative NOR and postoperative NOR

0.37

0.005

Intraoperative ADR and postoperative ADR

0.42

0.001

Intraoperative NOR and postoperative pain VAS

0.30

0.046

Intraoperative ADR and postoperative pain VAS

0.37

0.012

Postoperative pain VAS and postoperative analgesics use

0.72

0.029

  1. As parameters lacked a normal distribution, the Spearman’s rank correlation coefficient (r s ) was applied to provide a measure of association between principal stress indicators
  2. AH abdominal hysterectomy, LH laparoscopic hysterectomy, VH vaginal hysterectomy, PTT pulse transit time, VAS visual analog scale, HR heart rate, NOR noradrenalin, ADR adrenalin
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