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

Table 2

Association of retropalatal region on flexible nasopharyngolaryngoscopy with lateral cephalometric variables.

Lateral cephalogram indices	Retropalatal				value
	Group I		Group II
	<50% obstruction ()		>50% obstruction ()
	Mean	SD	Mean	SD
SNA	82	0.7	82	0.7	0.947
SNB	79.5	1.3	79.4	1	0.653
PNSP	30.3	3.7	31	2.3	0.379
PAS	16	4.3	14.1	6.3	0.152
MPH	18.2	2.6	21	3.6	<0.001
AHI	19.9	10.2	38	18.6	<0.001