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| Characteristics | Total (n = 466) |
Male (n = 363) |
Female (n = 103) |
p-value |
|---|---|---|---|---|
| Age, years, mean ± SD | 4.4±1.2 | 4.4±1.2 | 4.2±1.3 | 0.532 |
| Consanguinity, n (%) | 214 (45.9) | 166 (45.7) | 48 (46.5) | 0.451 |
| Positive family history, n (%) | 172 (36.9) | 124 (34.1) | 48 (46.5) | 0.084 |
| IQ, mean ± SD | 79.5±18.7 | 80.2±18.3 | 77.2±19.8 | 0.381 |
