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Table 1 Characteristics of the patients

From: Effect of different surgical procedures on the accuracy of prediction of the plasma concentration of fentanyl: comparison between mastectomy and laparoscopic prostatectomy

  Mastectomy Laparoscopic prostatectomy
Number = 30 Number = 20
Age (years) 52.3 ± 9.7 66 (63, 70) [45, 70]
Sex Female Male
Height (cm) 156.6 ± 5.0 168.3 ± 6.5
Weight (kg) 52.9 ± 7.7 64.1 ± 9.3
AHA physical status I, II 22, 8 8, 12
Operation time (min) 115.1 ± 35.9 179.5 (163, 300) [139, 344]
Anesthesia time (min) 160.8 ± 39.5 251.5 (219, 364.5) [195, 407]
Fentanyl (μg) 566.0 ± 169.0 900 (812.5, 900) [500, 1700]
Number of samples 176 182
Infusion
 AR 941.3 ± 381.1 1750 (1525, 2465) [1050, 3200]
 HES 0 (0, 0) [0, 1000] 600 (425, 1650) [200, 2700]
Blood loss 24 (5,44) [5, 679] 563.5 (400, 739) [52, 2550]a
  1. aBlood loss in laparoscopic prostatectomy includes urine from the surgical field
  2. AR acetate Ringer’s solution, HES hydroxyethyl starch