Local infiltration

Number

Percentage (%)

Cricoid cartilage

55

53.40

Aryténoid cartilage

3

2.91

Thyroid cartilage

2

1.94

Thyroid gland

23

22.33

Anterior commissure

12

11.65

Posterior commissure

5

4.85

Trachea

3

2.91

Total

103

100