. Author manuscript; available in PMC: 2013 Jul 31.

Published in final edited form as: J Int Neuropsychol Soc. 2011 Nov 24;18(1):168–173. doi: 10.1017/S1355617711001469

Table 2.

Spearman’s rho correlations between Arousal Index, Nocturnal Hemoglobin Oxygen saturation (SpO₂), Obstructive Apnea/Hypopnea Index, and neuropsychological measurements

	Arousal Index (AI)	Average SpO₂% in sleep	% Sleep time SpO₂ < 95%	Minimum SpO₂% in sleep	Obstructive Apnea/Hypopnea Index (OAHI)
Full-scale IQ WASI	−.552^†	.539	−.767^**	.576^†	.081
	(−.550)	(.517)	(−.780^*)	(.567)	.075
D-KEFS	−.357	.135	−.492	.560^†	−.383
Correct Sorts	(−.227)	(−.067)	(−.393)	(.471)	−556
D-KEFS Tower	−.778^**	.710^*	−.631 ^†	.679^*	−.048
Achievement Score	(−732^*)	(.613^†)	(−.502)	(596^†)	−.091

Note. Values in brackets represent analysis excluding participant with lesion.

p ≤ .05.

^**

p ≤ .01.

^†

p ≤ 0.1.

WASI: Wechsler Abbreviated Scale of Intelligence; D-KEFS :Delis-Kaplan Executive Function Systems.