Table 6.

Ordered logistic regression analysis of risk factors affecting the severity of OSAHS.

Item	β	SE	Wald χ2	P	OR	95% CI
						Lower limit	Upper limit
Proportion of REM	0.003	0.148	0.000	0.982	1.003	0.751	1.340
Microarousal count	0.027	0.063	0.187	0.665	1.027	0.908	1.162
MAI	−0.114	0.449	0.065	0.800	0.892	0.370	2.153
AHI	0.898	0.270	11.069	0.001	2.455	1.446	4.170
Times of blood oxygen decreased by ≥ 3%	0.007	0.020	0.107	0.744	1.007	0.968	1.047
L-SaO2	−0.061	0.105	0.346	0.556	0.941	0.766	1.154
TS90%	0.148	0.082	3.259	0.071	1.160	0.987	1.362
LP	−0.001	0.214	0.000	0.996	0.999	0.657	1.519
AP	−0.377	0.469	0.647	0.421	0.686	0.274	1.718