Table 1 Demographic data

Age (years)

43.49 ± 13.15

45.04 ± 11.58

0.522

Male/Female, n

11/42

13/40

0.643

BMI (kg m^− 2)

22.49 ± 2.41

22.35 ± 2.63

0.775

ASA I/II, n

26/27

22/31

0.435

Mallampati score I/II/III, n

31/20/2

38/15/0

0.205

Time of intubation (seconds)

26.6 ± 9.03

30.19 ± 17.7

0.192

Attempt of intubation (times)

1 (constant)

1 (constant)

–

Laryngoscopic view 1/2, n

47/6

48/5

0.75