Table 2.

Distribution of Modified Mallampati Classification, Thyromental Distance and Mouth Opening Distance Measurements, and Upper Lip Bite Test Values in Adult Patients

		Frequency (n)	Percentage (%)
Modified Mallampati class	1	25	4.6
	2	105	19.3
	3	153	28.3
	4	225	41.5
	Unevaluable	34	6.3
Thyromental distance	≥6 cm	351	64.8
	<6 cm	191	35.2
Mouth opening distance	≥3 cm	372	68.6
	<3 cm	170	31.4
Upper lip bite test	1	351	64.7
	2	144	26.6
	3	47	8.7