. 2010 Apr 15;6(2):146–151.

Table 4.

Simple and stepwise multiple regression analyses.

	Simple		Stepwise multiple
	β	p	β	p
AHI from the diagnostic study	0.302	0.012	0.325	0.048
SWS from the diagnostic study	0.276	0.023	-	-
AHI-PSG	0.298	0.012	-	-
95^th percentile pressure	0.287	0.016	-	-
95^th percentile leakage	0.292	0.014	0.329	0.044

AHI refers to apnea-hypopnea index; SWS, slow-wave sleep; AHI-PSG, apnea-hypopnea index assessed by polysomnography during continuous positive airway pressure (CPAP) titration.