Table 1. Means (and standard deviations) of demographic and clinical data for participants with HFA/AS and the comparison participants.

	HFA/AS	Comparison
N (male:female ratio)	14∶3	12∶5
Age in years (mean, SD, range)	27.3 (7.3); 18–40	30.1 (9.7); 20–47
Education in years (mean, SD)	13.4 (3.8); 8–18	13.5 (2); 10–18
ADI [B,C,D] *	18.6 (6.8); 11.6 (6.6); 6.9 (3.2)	−
Full-scale IQ	93.7 (21.1); 70–137	96.2 (10.9); 80–116
Verbal IQ	99.3 (20.1); 70–143	98.7 (9.9); 85–123
Performance IQ	90.7 (18.4); 70–122	95.9 (10.3); 80–118

* [B] = reciprocal social interaction, [C] = communication, [D] = stereotyped behaviours.