Table 2 Treatment withdrawal and seizure freedom rates for levetiracetam and standard antiepileptic drugs (intent-to-treat population)
|  | Levetiracetam (n = 152) | Standard antiepileptic drugs (n = 155) |
|---|---|---|
Treatment withdrawal rate, % (95Â % CI) | ||
 6 months | 14.5 (9.8–21.1) | 34.2 (27.3–42.2) |
 12 months | 20.4 (14.8–27.7) | 38.7 (31.6–46.9) |
Seizure freedom rate, % (95Â % CI) | ||
 6 months | 65.6 (57.1–72.8) | 62.9 (53.7–70.7) |
 12 months | 61.8 (53.2–69.3) | 59.1 (49.8–67.3) |