Table 1.

Demographic characteristics and cognitive outcomes of subjects with d-TGA and controls from whom DTI data were acquired at 16 years of age

Variable	d-TGA (n=49)	Control (n=29)	p*
Gestational age, weeks	40 (39.5–40)	40 (39.5–40)	0.42
Age at MRI, years	16.2 (16.0–16.4)	14.9 (14.2–16.1)	<0.001
Sex, % male	84	52	0.004
Social class at 16 y of age**	48 (36–56)	57 (53–61)	0.001
Wechsler Individual Achievement Test
Mathematics composite	100.7 ± 18.6	110.1 ± 13.8	0.22
Reading composite	100.1 ± 15.4	111.2 ± 11.7	0.03
General Memory Index	92.9 ± 18.5	104.0 ± 15.8	0.15
Parent Conners ADHD Index T-score	52.7 ± 12.0	45.4 ± 4.7	0.003
Executive function summary score	9.2 ± 2.3	10.8 ± 1.5	0.02
Behavior Rating Inventory of Executive Function-Parent	55.6 ± 12.8	44.2 ± 8.5	<0.001
Test of Visual-Perceptual Skills
Visual closure	83.1 ± 22.8	100.5 ± 23.9	0.02
Autism-Spectrum Quotient	17.9 ± 5.3	13.6 ± 5.3	0.003

Values are median (interquartile range) or mean ± standard deviation when appropriate.

^*P-values determined by Wilcoxon or Fisher exact tests for demographic characteristics or linear regression adjusted for social status for cognitive outcomes.

^**Score on Hollingshead Four Factor Index of Social Status, with higher scores indicating higher social status.