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Table 1 Demographic data and perioperative variables

From: The relationship between the level of μ-opioid receptor (μORs) and postoperative analgesic use in patients undergoing septoplasty: a prospective randomized controlled trial

  Tramadol (n = 60) Control (n = 60) *P value
Age (yr) 28.4 ± 10.02 32.26 ± 11.78 0.352
Sex (F/M) 24/36 28/32 0.466
ASA Score I/II 21/39 31/29 0.231
BMI (kg/m2) 23.4 ± 3.0 25.3 ± 5.0 0.285
Duration of surgery (min) 74.44 ± 23.81 80.48 ± 25.14 0.406
Duration of anesthesia (min) 82.91 ± 25.75 85.38 ± 29.31 0.763
  1. Data are expressed as number of patients and mean ± SD. ASA American society of Anesthesiologists, BMI Body Mass Index, F Female, M Male.* Student t test, p > 0.05