Table 3.

Descriptive statistics and normality test for cephalometric and polysomnographic variabes (n = 84).

	Mean	SD	SE	Normality test
N-BA (mm)	122.3	13.4	1.5	N.S.
Co-Gn (mm)	145.4	27.2	2.9	N.S.
SNA-SNP (mm)	61.59	6.6	0.7	< 0.05
MXL-BL°	24.93	5.6	0.6	< 0.05
MXL-Co-Gn°	49.85	5.3	0.6	N.S.
BL-Co-Gn°	74.78	6.4	0.7	< 0.05
AHI	37.02	20.2	2.2	<0.05
SaO2	93.12	2.9	0.3	N.S.
Nadir SaO2	77.48	10.4	1.1	N.S.