Table 2

Epilepsy and risk for SCD

SCD cases
n=926
Controls
n=9832
OR* (95% CI)OR† (95% CI)
No epilepsy912 (98.4)9783 (99.5)1.0 (reference)1.0 (reference)
Epilepsy‡14 (1.5)49 (0.5)2.7 (1.4 to 5.3)2.8 (1.4 to 5.3)
 Stable epilepsy§6 (0.6)37 (0.4)1.7 (0.7 to 4.2)1.6 (0.7 to 4.1)
 Symptomatic epilepsy¶8 (0.9)12 (0.1)5.9 (2.1 to 16.1)5.8 (2.1 to 15.6)
  • Data are expressed as number (%) unless otherwise indicated.

  • *ORs matched for age, gender, practice, and calendar time.

  • †ORs matched for age, gender, practice, and calendar time, adjusted for heart failure.

  • ‡Patients with a diagnosis of epilepsy and use of AEMs.

  • §Patients with a diagnosis of epilepsy, use of AEMs, and no seizure in the 2 years before SCD date.

  • ¶Patients with a diagnosis of epilepsy, use of AEMs, and seizure in the 2 years before SCD date.

  • AEM, antiepileptic medication; SCD, sudden cardiac death.