TABLE 1.
Characteristics of Participants in a Mega-Analysis of Brain Morphometry in Autism Spectrum Disorder (ASD) and Healthy Control Subjects
| Characteristic | Control Group (N=1,651) | ASD Group (N=1,571) | ||
|---|---|---|---|---|
| Mean | SD | Mean | SD | |
| Agea (years) | 15.83 | 8.41 | 15.41 | 8.64 |
| IQb,c | 111 | 19.04 | 103 | 20.02 |
| N | % | N | % | |
| Femaleb | 393 | 23.8 | 224 | 14.3 |
| Medication used | 0 | 0.0 | 233 | 14.8 |
| Comorbiditiese | 0 | 0.0 | 148 | 9.4 |
a
The age range was 2–56 years for the control group and 2–64 years for the ASD group.
b
Significant difference between groups (control group > ASD group, p<0.001).
c
The IQ range was 80–149 for the control group and 65–123 for the ASD group.
d
Medication use indicates any type of current medication use, regardless of duration.
e
Comorbidities indicate presence of any current comorbid psychiatric disorder.