Prevalence of drug resistant epilepsy in adults with epilepsy attending a neurology clinic of a tertiary referral hospital in Singapore.

Purpose: To determine the proportion of population of adult people with epilepsy (PWE) in Singapore, who suffer from drug resistant epilepsy (DRE).

Methods: All adult PWE who had attended the neurology specialist clinic of a tertiary referral hospital in Singapore were profiled for drug responses according to the definition for DRE as specified by the International League against Epilepsy (ILAE) 2010 consensus. This is a retrospective cohort study.