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. 1998 Jul;39(7):749-52.
doi: 10.1111/j.1528-1157.1998.tb01161.x.

Incidence of psychogenic seizures in adults: a population-based study in Iceland

K R Sigurdardottir  1 , E Olafsson
Affiliations

Incidence of psychogenic seizures in adults: a population-based study in Iceland

K R Sigurdardottir et al. Epilepsia. 1998 Jul.

Abstract

Purpose: We wished to determine the incidence of psychogenic nonepileptic (NES) seizures in a population-based study.

Methods: Cases were identified through review of the results of all long-term video-EEG studies made in Iceland during the study period.

Results: The incidence of NES was 1.4 in 100,000 person-years of observation. Age-specific incidence was highest in the youngest age group (age 15-24 years) and decreased thereafter. A strong female preponderance was observed.

Conclusions: The incidence of NES is equal to almost 4% of that reported for epilepsy from Iceland for persons aged > or = 15 years. For people aged 15-24 years, the incidence of NES is equal to approximately 5% of the incidence of epilepsy. Half the patients also had epilepsy.

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