Table 1.
Demographic information for the ASD and control cohortsa
| Demographics | ASD (n = 35) |
Controls (n = 35) |
P value |
|---|---|---|---|
| Sex, M/F | 27/8 | 26/9 | χ2 = 0.078 (1, N = 70), P = 0.78 |
| Mean age, years ( ± SD) | 12.9 (12.4) | 34.8 (9.7) | U = 86, P = 0.60 × 10-9, Z = -6.19 |
| Age range, years | 3 to 63 | 21 to 65 | |
| Number of ASD (with IQ < 70) | 35 (11) | 0 | |
| Number of Autism (with IQ < 70) | 20 (10) | - | |
| Number of Asperger's syndrome (with IQ < 70) | 11 (0) | - | |
| Number with PDD-NOS (with IQ < 70) | 4 (1) | - |
ASD: autism spectrum disorder, M: male, F: female, IQ: intelligence quotient; PDD-NOS: pervasive developmental disorder not otherwise specified. Data are means ± SD unless otherwise specified. Differences in clinical characteristics were analyzed using the χ2 test for gender and the Mann-Whitney U test for age.