Table 2 Patient characteristics and operation/anesthesia details in both groups

Patient number

60

60

Gender (male:female)

20:40

17:43

0.69

Age (years)

49.8 ± 17.0

54.9 ± 14.9

0.09

Height (cm)

160.7 ± 9.6

160.4 ± 7.2

0.85

Weight (kg)

60.4 ± 11.1

61.1 ± 11.8

0.78

ASA physical status (1/2)

37/23

35/25

0.88

Total fentanyl dose (μg)

150 (100–200)

150 (100–200)

0.47

Duration of surgery (min)

69 (57.5 − 88.5)

70 (57–90)

0.91

Anesthesia time (min)

90 (76–112)

88 (82–111)

0.91