Cecilia Adelöw, Tomas Andersson, Anders Ahlbom, Torbjörn Tomson
OBJECTIVE: To study hospitalization for psychiatric disorders before and after onset of unprovoked epileptic seizures/epilepsy. METHOD: In this population-based case-control study, the cases were 1,885 persons from Stockholm with new onset of unprovoked seizures from September 1, 2000, through August 31, 2008, identified in the Stockholm Epilepsy Register. Controls, in total 15,080, were randomly selected from the register of the Stockholm County population. Odds ratios (ORs) were calculated to assess the risk of developing unprovoked epileptic seizures before and after hospitalization for a psychiatric diagnosis defined as a psychiatric hospital discharge diagnosis using International Classification of Disease codes from the Swedish Hospital Discharge Registry...
February 7, 2012: Neurology