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

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