Table 1. Subject demographics.

IQ scores were missing for one subject; social responsiveness score was missing for 20 subjects.

Cohort (N = 206)	Deletion carriers (N = 48)	Duplication carriers (N = 40)	Controls (N = 118)	P value
Age (years)	15 ± 12	27 ± 16	25 ± 14	<0.001
Male:Female ratio	27:21	26:14	66:52	0.59
Original brain tissue volume (liters)	1.35 ± 0.15	1.15 ± 0.12	1.25 ± 0.12	<0.001
Full-scale IQ	88 ± 14	93 ± 18	106 ± 15	<0.001
Verbal IQ	86 ± 17	95 ± 17	106 ± 16	<0.001
Nonverbal IQ	91 ± 13	92 ± 19	104 ± 13	<0.001
Social responsiveness score	69 ± 37	54 ± 41	19 ± 12	<0.001