Objective:To study the outcome of childhood-onset drug-resistant epilepsy.Methods:Fifty-five patients with drug-resistant epilepsy, meeting inclusion criteria, were
identified from the Pediatric Neurology Clinic database with seizure onset less than age
13 years and a minimum follow-up of 5 years. Seizure remission was defined as no more
than 1 seizure/year. Kaplan-Meier analysis was used to calculate the annual probability
of seizure remission. Chi-square/Kruskal-Wallis tests were used to detect differences in
predictors between those with seizure remission, ≥75% improvement and <75%
improvement based on caregiver reports.Results:Median follow-up was 11 years. Of 55, 22 (40%) were in seizure remission at last
contact; 14 (25.4%) improved by ≥75%; 19 (34.5%) experienced <75% improvement. Annual
remission probability was 3% in IQ ≥70 group and 2.48% in IQ <70 group
(P = .126).Conclusion:This study shows patients with drug-resistant epilepsy treated in urban India can
expect an overall remission rate of 2% per year starting from the third year of
follow-up.
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