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Table 1 Patient demographics

From: Prevention of postoperative nausea and vomiting after gynaecological day surgery under remimazolam general anesthesia: a randomized double-blind controlled study

Characteristic

DD group (n = 62)

DT group (n = 60)

DC group (58)

F/χ2 /K-W

P value

Age, yr

43.41 ± 1.35

43.85 ± 1.15

43.63 ± 1.28

0.068(F)

0.934

Height, m

1.62 ± 0.01

1.62 ± 0.01

1.61 ± 0.01

0.357(F)

0.700

Weight, kg

61.80 ± 1.03

62.05 ± 1.30

60.82 ± 1.15

0.357(F)

0.700

BMI, kg/m2

23.59 ± 0.41

23.74 ± 0.46

23.46 ± 0.44

0.132(F)

0.876

ASA class n(%)

 I

8(12.9%)

14(23.3%)

12(20.7%)

2.346(χ2)

0.309

 II

54(87.1%)

46(76.7%)

46(79.3%)

  

Apfel score n(%)

 2

39(62.9%)

32(53.3%)

40(69.0%)

3.110(χ2)

0.211

 3

23(37.1%)

28(46.7%)

18(31.0%)

  

Type of surgery, n(%)

 Hysteroscope

46(75.4%)

40(66.7%)

44(75.9%)

1.698(χ2)

0.791

 Cervical conization

14(23.0%)

19(31.7%)

13(22.4%)

  

 Others

1(1.6%)

1(1.7%)

1(1.7%)

  

Duration of anesthesia, min Median (Range)

23.00(20.00–30.00)

24.50(16.00–36.75)

24.50(17.50–29.50)

0.009(K-W)

P = 0.996

Dose, mg

 Remimazolam, induction

16.38 ± 0.41

15.84 ± 0.48

15.31 ± 0.36

1.287(F)

0.279

 Remimazolam, maintenance,Median (Range)

13.87(8.67–20.85)

14.80(9.70–20.75)

15.00(10.00–23.00)

0.771(K-W)

0.680

 Alfentanil, induction,Median (Range)

1.00(1.00–1.00)

1.00(1.00–1.00)

1.00(1.00–1.10)

1.908(K-W)

0.385

 Alfentanil, maintenance,Median (Range)

0.46(0.32–0.68)

0.57(0.37–1.06)

0.56(0.40–0.90)

4.749(K-W)

0.093

 Mivacurium Chloride induction,Median (Range)

10.00(10.00–10.00)

10.00(10.00–10.00)

10.00(10.00–12.00)

1.834(K-W)

0.400

  1. ASA American Society of Anesthesiologist, BMI Body Mass Index
  2. Data are presented as mean ± SD, number of patients or Median (Range)