Table 1.
Demographic Characteristics
| ASD (n=17) Mean (SD) |
TD (n=18) Mean (SD) |
|
|---|---|---|
| Age at scan 1, y | 17.37 (2.41) | 17.46 (1.45) |
| Age at scan 2, y | 19.12 (2.51) | 19.60 (1.61) |
| Time between scans, y | 1.72 (0.83) | 2.10 (0.95) |
| Full scale IQa | 116.59 (13.05) | 116.17 (9.54) |
| Verbal IQa | 116.35 (15.07) | 114.11 (11.66) |
| Performance IQa | 113.47 (12.22) | 114.17 (6.35) |
| Sex ratio (Male:Female) | 15:2 | 17:1 |
| Handedness (Right:NonRight) | 15:2 | 16:2 |
| ADI Social | 19.12 (5.60) | |
| ADI Verbal Communication | 14.76 (3.58) | |
| ADI Restricted and Repetitive Behavior | 5.94 (2.08) | |
| ADOS Social | 9.71 (3.14) | |
| ADOS Communication | 4.12 (1.80) | |
| ADOS Stereotyped Behavior | 1.24 (1.60) |
Note: ADI = Autism Diagnostic Interview; ADOS = Autism Diagnostic Observation Schedule; ASD = autism spectrum disorder; TD = typically developing.
a
Standard score (population mean = 100, SD = 15).