Table 1.

Bivariate associations with history of prior febrile seizures

CharacteristicN (of 524)*With febrile seizures, n (%)p Value
* Unless otherwise indicated.
Male25942 (16.2)0.14
Female26531 (11.7)
Race
White41752 (12.5)0.02
African American526 (11.5)
Hispanic4612 (26.0)
Other93 (33.3)
Etiology
Idiopathic18116 (8.8)0.02
Cryptogenic26247 (17.9)
Remote symptomatic8110 (12.4)
Febrile seizures in a first-degree relative (n = 519)
No46455 (11.9)<0.001
Yes5516 (29.1)
Febrile seizures in a second- or higher-degree relative (n = 508)
No45553 (11.7)<0.001
Yes5315 (28.3)
Epilepsy in a first-degree relative (n = 519)
No45957 (12.4)0.03
Yes6014 (23.3)
Epilepsy in a second- or higher-degree relative (n = 509)
No29941 (13.7)0.78
Yes21027 (12.9)
Hippocampal atrophy or possibly related temporal lobe abnormality (n = 317 with MRI)
None29949 (16.4)0.71
Possible152 (13.3)
Present30 (0)