Table 1.

The modified Cormack-Lehane grading scale used to evaluate the laryngoscopic findings obtained in the present study

Laryngoscopic view	Grade
The anterior commissure of glottis is visible	I
More than 50% of glottis is visible; the anterior	IIa
commissure of glottis is not visible
Less than 50% of glottis is visible, including its	IIb
posterior commissure and the arytenoid cartilages
Only the arytenoid cartilages and the epiglottis are visible	IIIa
Only the epiglottis is visible	IIIb
Only the retropharyngeal wall is visible	IV