Correlation of Lateral Cephalogram and Flexible Laryngoscopy with Sleep Study in Obstructive Sleep Apnea

Table 5

AHI with retropalatal collapse.

AHI	Retropalatal region		value
	Group I; <50% obstruction; )	Group II; >50% obstruction (
Mild	11 (39.28%)	1 (2.38%)	<0.016
Moderate	10 (35.71%)	18 (42.85%)
Severe	7 (25.0%)	23 (54.76%)