Figure 4. Seizure freedom rates at 3 months, 6 months, 12 months and the last visit in patients aged <18, 18–29, 30–39, 40–49, 50–59, 60–69 and ≥70 years. Seizure freedom was defined as no seizures since at least the prior visit (either 3 or 6 months). Statistical comparisons were conducted using the Chi-squared test. Reproduced with permission from Eisai