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

Table 6

AHI with retroglossal collapse.

AHI	Retroglossal region		value
	Group I; <50% obstruction; ()	Group II; >50% obstruction ()
Mild	12 (27.9%)		<0.001
Moderate	21 (48.83%)	7 (25.92%)
Severe	10 (23.25%)	20 (74.07%)