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Group
Variable Overall F N P value

All patients

62 (100.0)

31 (50.0)

31 (50.0)

Age

44.23±9.93

47.71±9.29

41.74±10.08

0.048

ASA classification

1

50 (80.6)

26 (83.9)

24 (77.4)

0.520

2

12 (19.4)

5 (16.1)

7 (22.6)

BMI (kg/m2)

23.31±3.66

22.82±3.03

23.79±4.20

0.300

Anesthesia time (min)

60.40±8.46

61.77±9.97

59.03±6.51

0.204

Surgery duration (min)

30.89±8.27

30.65±9.81

31.13±6.55

0.820

Apfel’s score

2

5 (8.1)

2 (6.5)

3 (9.7)

0.405

3

41 (66.1)

23 (74.2)

18 (58.1)

4

16 (25.8)

6 (19.4)

10 (32.3)


Table 1. Patients’ baseline characteristics

Values are the mean ± SE. There are no difference between the two groups, except age. ASA classification – American society of anesthesiologists classification, BMI – Body mass index.
F - Fentanyl and N - Nefopam