INCIDENCE OF EPILEPSY AND UNPROVOKED SEIZURES IN ROCHESTER, MINNESOTA - 1935-1984
INCIDENCE OF EPILEPSY AND UNPROVOKED SEIZURES IN ROCHESTER, MINNESOTA - 1935-1984
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DOI:
10.1111/j.1528-1157.1993.tb02586.x
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发表时间:
1993-05-01
期刊:
影响因子:
5.6
通讯作者:
KURLAND, LT
中科院分区:
文献类型:
--
作者:
HAUSER, WA;ANNEGERS, JF;KURLAND, LT
The incidence of epilepsy and of all unprovoked seizures was determined for residents of Rochester, Minnesota U.S.A. from 1935 through 1984. Age-adjusted incidence of epilepsy was 44 per 100,000 person-years. Incidence in males was significantly higher than in females and was high in the first year of life but highest in persons aged greater-than-or-equal-to 75 years. Sixty percent of new cases had epilepsy manifested by partial seizures, and two thirds had no clearly identified antecedent. Cerebrovascular disease was the most commonty identified antecedent, accounting for 11% of cases. Neurologic deficits from birth, mental retardation and/or cerebral palsy, observed in 8% of cases, was the next most frequently identified preexisting condition. The cumulative incidence of epilepsy through age 74 years was 3.1%. The age-adjusted incidence of all unprovoked seizures was 61 per 100,000 person-years. Age- and gender-specific incidence trends were similar to those of epilepsy, but a higher proportion of cases was of unknown etiology and was characterized by generalized onset seizures. The cumulative incidence of all unprovoked seizures was 4.1% through age 74 years. With time, the incidence of epilepsy and of unprovoked seizures decreased in children and increased in the elderly.