An epidemiological study of children with status epilepticus in Okayama, Japan: incidence, etiologies, and outcomes.

Summary To clarify the incidence of first-ever episodes of status epilepticus (SE), their etiologies and outcomes among Japanese children, we performed an epidemiological study in Okayama City. One hundred and twenty patients (69 males, 51 females) experienced first-ever SE episodes between 2003 and 2005. Overall, the annual incidence of SE was 42.0 per 100,000 population (95% CI: 34.5⿿49.5). The highest incidence was seen in patients aged