Definition of epilepsy

http://www.ilae.org/Visitors/Centre/documents/Definition2014-RFisher.pdf


After a single  unprovoked seizure, risk for another is 40–52%. With two unprovoked nonfebrile seizures, the chance by 4 years of having another is 73%, with a 95% confidence interval (CI) of 59–87%, subsequently herein portrayed as approximately 60–90%.