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Table 2 Information on surgery and anaesthesia (N = 62)

From: Effect of surgical pleth index-guided analgesia versus conventional analgesia techniques on fentanyl consumption under multimodal analgesia in laparoscopic cholecystectomy: a prospective, randomized and controlled study

  SPI group (N = 31) Control group (N = 31) P-value
Duration of surgery (min) 45.1 ± 14.0 45.5 ± 16.9 0.935
Duration of anaesthesia (min) 67.3 ± 18.4 66.8 ± 18.4 0.913
Bleeding volume (ml) 163.0 ± 9.2 164.1 ± 7.2 0.606
Infusion volume (ml) 696.7 ± 236.6 741.9 ± 192.3 0.413
Propofol consumption (mg) 410.0 ± 105.0 452.0 ± 121.2 0.150
Intraoperative fentanyl consumption (µg) 177.1 ± 65.9 213.5 ± 47.5 0.016*
  1. * The difference in the total fentanyl consumption and intraoperative fentanyl consumption between the two groups was significant, P < 0.05