Group A
(n=40)

Group B
(n=40)

Control group
(n=40)

P

Gender
(male/female)

3/37

5/35

9/31

0.147

Age (yr)

50.13 ± 8.60

40.65 ± 8.42

46.95 ± 11.32

0.279

Height (cm)

162.10 ± 5.95

163.30  ± 6.28

162.35 ± 7.53

0.694

Weight (kg)

62.85 ± 11.13

65.21 ± 10.14

60.31 ± 10.94

0.129

BMI (kg/m2)

23.86  ±  3.51

24.45  ±  3.52

22.76 ± 2.86

0.072

Duration of tracheal intubation (min)

76.60  ± 18.40

71.50  ±  20.58

75.25 ± 19.18

0.479