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 |
Performed on 664 children and 290 families. ASD, autism spectrum disorders; PDD-NOS, pervasive developmental disorder-not otherwise specified.