Table 4.

Stepwise linear regression of selected neuropsychological outcomes, adjusting for concurrent family social class

Variable	Parental IQ (per 1 point increase)	Duration of DHCA (per 1 minute increase)	Any Seizures	Other Covariates
	β ± SE (P value)
Wechsler Individual Achievement Test
Reading Composite	.37±.11 (<.001)	-	−12.0±3.3 (<.001)	-
Mathematics Composite	.41±.14 (.004)	-	−15.7±4.4 (<.001)	-
General Memory Index	-	-	−10.2±3.9 (.01)	-
Executive Function Summary Score	-	-	−1.3±.4 (.004)	-
Behavior Rating Inventory of Executive Function
Parent	.20±.09 (.04)	-	-	-
Teacher	-	.21±.08 (.01)	-	Birthweight (per g): .012±.004 (.002)
Test of Visual-Perceptual Skills	-	−.12±.06 (.048)	−9.8±3.5 (.005)	-
Parent Connor’s ADHD Index T Score	-	-	-	-
Reading the Mind in the Eyes	.12±.04 (.002)	-	−3.6±1.1 (.002)	Total bypass time (per min): .032±.012 (.01)
Autism Spectrum Quotient	−.097±.046 (.04)	-	-	Age at surgery >30 d: 5.4±2.1 (.01)

Values are estimated beta coefficients ± standard errors, with P values in parentheses. All characteristics from Table 1 were considered for inclusion in the models. Coefficients for intercepts and family social class are not reported.