Numbers
- Overall rates of SUDEP in adults is 1 in 1000 and lower in children at 0.2-0.4 in 1000 per year.
- In adults and children with medically intractable epilepsy rates are higher at 1 in 100-200 per year.
Cause of death
- Is unclear but thought to be due to seizure related cardiac arrhythmias and/or respiratory compromise.
Risk factor
- Severity of seizures
- Frequency of seizures (particularly generalized tonic-clonic seizures)
- Nocturnal seizures
- Young adult
- Poor adherence to treatment
- Earlier age of seizure onset
- Longer duration of epilepsy
- Symptomatic epilepsy
- Male gender