Table 1.
Descriptive information on participants (mean, standard deviation in parentheses and range).
| ASD | DD | TYP | ||
|---|---|---|---|---|
| Subjects | 45 | 14 | 26 | χ2 = 9.6, df = 2, |
| (38 males) | (6 males) | (18 males) | P < .008 | |
| Age at MRI (mo.) | 47.33 (4) | 47.5 (6) | 46.9 (6) | F(2,82) = 1.0, |
| 38 to 54 mo. | 40 to 58 mo. | 36 to 56 mo. | P = .91 | |
| ADOS Total | 14.8 (4) | 2.8 (2) | NA | F(1,57) = 132, |
| (Social + Comm.) | 8 to 21 | 1 to 8 | P < .001 | |
| Mullen | 59.0 (21) | 56.9 (14) | NA | F(1,56) = .13, |
| IQ | 30 to 104 | 29 to 79 | P = .72 | |
| Mullen | 53.2 (25) | 54.4 (16) | NA | F(1,56) = .03, |
| Verbal IQ | 18 to 108 | 20 to 82 | P = .87 | |
| Mullen | 64.8 (18) | 59.8 (15) | NA | F(1,57) = .91, |
| Non Verbal IQ | 36 to 104 | 38 to 93 | P = .34 |