Table 3 Sample characteristics and prevalence of epilepsy according to clinical status
Characteristics | Autistic disorder | PDD-NOS | Total (ASD) | Siblings without autism |
|---|---|---|---|---|
Total (n) | 417 | 61 | 478 | 186 |
Gender (male/female) | 334/83 | 48/13 | 382/96 | 81/105 |
Mean age (years) | 9.33 (± 5.02) | 8.67 (± 5.01) | 9.24 (± 5.02) | 10.56 (± 6.59) |
Epilepsy | 56 (13.4%) | 5 (8.2%) | 61 (12.8%) | 4 (2.2%) |
Remote febrile seizures | 16 (3.8%) | 6 (9.8%) | 22 (4.6%) | 5 (2.7%) |
One afebrile seizure | 14 (3.4%) | 0 (0%) | 14 (2.9%) | 1 (0.5%) |
Risk factors for ASD | 39 (9.6%) | 3 (5.4%) | 42 (8.8%) | 0 |
Risk factors for ASD and comorbid seizures | 10 (2.5%) | 0 | 10 (2.2%) | 0 |