Table 5.
Number of children with microcephaly (≤2 SD below population mean) or macrocephaly (≥2 SD above population mean)
| Age (months) | Microcephaly | Macrocephaly | χ 2, p | ||
|---|---|---|---|---|---|
| ASD (N = 129) | PC (N = 59) | ASD (N = 129) | PC (N = 59) | ||
| N (%) | N (%) | N (%) | N (%) | ||
| 1 | 5 (3.9%) | 4 (6.8%) | 2 (1.6%) | 0 (0%) | 1.64, .44 |
| 2 | 4 (3.1%) | 3 (5.1%) | 1 (0.8%) | 1 (1.7%) | 0.79, .68 |
| 3 | 3 (2.3%) | 1 (1.7%) | 2 (1.6%) | 1 (1.7%) | 0.08, .96 |
| 4 | 3 (2.3%) | 2 (3.4%) | 1 (0.8%) | 0 (0%) | 0.63, .73 |
| 5–6 | 2 (1.6%) | 2 (3.4%) | 2 (1.6%) | 0 (0%) | 1.56, .46 |
| 7–9 | 2 (1.6%) | 0 (0%) | 2 (1.6%) | 1 (1.7%) | 0.93, .63 |
| 10–13 | 2 (1.6%) | 0 (0%) | 6 (4.7%) | 1 (1.7%) | 1.95, .38 |
ASD autism spectrum disorder, PC psychiatric control