TABLE 2.

The results of univariate linear regression analysis.

	R	R 2	β	t	p
MoCA	0.32	0.10	−0.32	−3.24	<0.01
AHI	0.37	0.14	0.37	3.78	<0.01
ODI	0.47	0.22	0.47	5.10	<0.01
Micro-arousal index	0.35	0.12	0.35	3.58	<0.01

AHI, apnea-hypopnea index; MoCA, Montreal Cognitive Assessment; ODI, oxygen depletion index.