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

Table 3

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

Lateral cephalogram indices	Retroglossal				value
	Group I		Group II
	<50% obstruction ()		>50% obstruction ()
	Mean	SD	Mean	SD
SNA	82.1	0.7	81.8	0.6	0.097
SNB	79.6	1.2	79.2	0.9	0.157
PNSP	30.1	3.3	31.7	1.8	0.011
PAS	14.9	4.2	14.8	7.4	0.934
MPH	18	2.4	22.7	3.1	<0.001
AHI	21.7	10.3	45.2	18.5	<0.001