Table 2

 Changes in frequency of non-epileptic seizures at six and 12 months following withdrawal of antiepileptic drugs

Time after start of withdrawalMean attacks per monthSDMedianRangen
At referral22.2330.78150.5 to 18078
At 6 months13.0138.4620 to 30078
At 12 months9.0132.5100 to 25071