Table 1 Baseline of participants’ characteristics in the training

Gender

Male

8

36

Female

14

64

Age (year)

20-30

5

23

30-40

15

68

40-50

2

9

Over 50

0

0

Grade of hospital

Grade II

6

27

Grade III

16

73

Experience in anesthesiology (years)

1-3 years

3

14

3-5 years

7

32

5-10 years

7

32

Over 10 years

5

22

Performed intubation using optical stylets (times)

1-5

9

41

6-10

3

14

11-50

6

27

Over 50

4

18

Classification of optical stylets

rigid

8

36

semi-rigid

14

64