Table 5.

Assignment of ordered logistic regression analysis.

Variable	Item	Assignment
Dependent variable	Severity of OSAHS	Simple snoring group = 1, mild OSAHS = 2, moderate OSAHS = 3, severe OSAHS = 4
Independent variable	Proportion of REM	Measured value
	Microarousal count	Measured value
	MAI	Measured value
	AHI	Measured value
	Times of blood oxygen decreased by ≥ 3%	Measured value
	L-SaO2	Measured value
	TS90%	Measured value
	LP	Measured value
	AP	Measured value