Group A

(n = 31)

Group B

(n = 31)

Group C

(n = 31)

Age

40 ±13.5

37 ±10

42 ±14

Gender

Male

Female

22 (70.9%)

9 (29.1%)

19 (61.3%)

12 (38.7%)

23 (74.2%)

8 (25.8%)

Weight

75.9 ± 5.1

73.9 ± 7.7

78.4 ± 9

ASA

I

II

25 (80.6%)

6 (19.4%)

26 (83.9%)

5 (16.1%)

23 (74.2%)

8 (25.8%)

Duration of surgery

2.5 ± 0.9

3.5 ± 1.1

2.8 ± 0.7