Table 1.
Sample statistics for the control, unaffected sibling, and ASD groups. Average values are given, with standard deviations in parentheses, for age in years, DAS-II Early Years General Conceptual Ability (GCA) standard scores, and SRS T-scores. A GCA score was not available for one participant in the ASD group. Race information was not reported for two participants in the CC group.
| Group | n | Gender distribution |
Racial distribution |
Average Age |
Age Range |
Average GCA Score |
Average SRS T- score |
|---|---|---|---|---|---|---|---|
| Control children (CC) |
22 | 14 males, 8 females |
16 White, 4 African American, 2 Not reported |
11.63 (1.85) |
7.67 - 15.17 |
105.95 (16.11) |
45.55 (9.33) |
| Unaffected Siblings (US) |
22 | 14 males, 8 females |
19 White, 2 More than one race, 1 Asian |
12.58 (2.43) |
9.08 – 17.25 |
108.09 (14.59) |
49.36 (13.87) |
| Children with autism spectrum disorder (ASD) |
14 | 12 males, 2 females |
12 White, 1 African American, 1 More than one race |
10.92 (3.94) |
5.67 – 18 |
89.62 (22.85) |
73.21 (11.0) |
| Control children comparison sub-group |
14 | 12 males, 2 females |
- | 11.61 (1.80) |
9.08 – 15.17 |
101.71 (14.88) |
46.29 (10.57) |