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Table 1 Demographic characteristics and risk factors for postoperative nausea and vomiting

From: Effect of individualized treatment strategy on postoperative nausea and vomiting in gynaecological laparoscopic surgery: a double-blind, randomized, controlled trial

  Individualized treatment group (n = 60) Control group
(n = 59)
P
Sex, female, n 60 59 1.000
Age, years, mean (SD) 43.3 (9.4) 43.0(9.0) 0.303
ASA classification (1/2), n 27/33 23/36 0.579
BMI, kg/m2, mean (SD) 22.8(2.7) 22.8(3.0) 0.782
History of PONV, n (%) 9(15.0) 8(13.6) 0.882
History of motion sickness, n (%) 21(35.0) 25(42.4) 0.409
Nonsmoking, n (%) 59(98.3) 59(100) 1.000
Expected postoperative opioid use, n (%) 43(71.7) 42(71.2) 0.954
  1. Abbreviations: SD Standard deviation, N Number