Nalbuphin group (n = 28)

Control group (n = 28)

Age (years)

44 ± 6.5

48 ± 5.4

Sex

1 Male

16 (57%)

18 (64%)

Female

12 (43%)

10 (36%)

ASA classification

I

20 (71.5%)

22 (78.5%)

II

8 (28.5%)

6 (21.5%)

Weight (Kg)

70 ± 1.12

68 ± 0.96

Duration of surgery (hours)

2.3 ± 1.09

2.5 ± 1.13