Fig. 2From: Comparing healthcare cost associated with the use of enzyme-inducing and non-enzyme active antiepileptic drugs in elderly patients with epilepsy in the UK: a long-term retrospective, matched cohort studyKaplan–Meier plot of time to cohort treatment failure. EIAED enzyme-inducing antiepileptic drug, nEAAED non-enzyme active antiepileptic drugBack to article page