Fig. 2From: Comparative effectiveness of levetiracetam, valproate and carbamazepine among elderly patients with newly diagnosed epilepsy: subgroup analysis of the randomized, unblinded KOMET studyKaplan-Meier survival curves for the time to treatment withdrawal (intent-to-treat population). Legend: a LEV vs. standard AEDs; b LEV vs. VPA-ER in the VPA stratum; and c LEV vs. CBZ-CR in the CBZ stratum. Patients with unclassified seizure types were excluded from analyses for the VPA and CBZ strata. Abbreviations: AED antiepileptic drug; CBZ carbamazepine; CBZ-CR controlled-release carbamazepine; LEV levetiracetam; VPA sodium valproate; VPA-ER extended-release sodium valproateBack to article page