TABLE 3.
Rate ratios for idiopathic or cryptogenic epilepsy in relatives of probands with generalized or localization-related idiopathic or cryptogenic epilepsya
| Class of relatives and type of epilepsy in the proband | No. of relatives | Affected (%) | RR (95% CI) |
|---|---|---|---|
| Parents and siblings | |||
| Generalized idiopathic/cryptogenic | 672 | 29 (4.3) | 4.7 (2.35–9.41) |
| Localization-related idiopathic/cryptogenic | 4,306 | 95 (2.2) | 2.4 (1.29–4.48) |
| Postnatal symptomatic | 1,182 | 11 (0.9) | 1.0 (reference) |
| Offspring | |||
| Generalized idiopathic/cryptogenic | 172 | 3 (1.7) | 1.6 (0.35–6.96) |
| Localization-related idiopathic/cryptogenic | 1,126 | 54 (4.8) | 4.2 (1.50–11.46) |
| Postnatal symptomatic | 330 | 4 (1.2) | 1.0 (reference) |
a
Data from (11).