Trends of Epilepsy-Related Mortality in South Korea
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초록
Background and Purpose Epilepsy increases the risk of death in affected individuals of any age. We aimed to determine the mortality caused by epilepsy and its time trends in Korea. Methods We obtained population and cause of death data between 1993 and 2019 from Statistics Korea. We identified death caused by epilepsy or status epilepticus. We calculated the crude mortality rate (CMR), age-specific mortality rate, age-standardized mortality rate (ASMR, corresponding to epilepsy-related deaths per 100,000 persons in the general population), and the proportional mortality (PM, corresponding to the proportion of epilepsy-related deaths among all-cause deaths). Results In 2019, 471 deaths were caused by epilepsy (CMR=0.92), accounting for 0.16% of all deaths in that year. The age-specific mortality rate increased with age, up to 7.01% among individuals aged 80 years and older, while the PM was the highest (3.80%) among individuals aged 5–14 years, which decreased with age. Between 1993 and 2019, the CMR, ASMR, and PM peaked in 2002, and the CMR then rebounded after the trough in this trend in 2011 while the ASMR continued to decrease, and the PM became relatively stable from 2011. Starting in 2005, the age-specific mortality rate for epilepsy had an increasing tendency over time among those aged 75 years or older, and a decreasing tendency in the younger age groups. Conclusions A declining tendency of mortality from epilepsy was found in the overall population of Korea over recent decades. However, epilepsy is a notable cause of death in children, and epilepsy-related mortality is increasing in the elderly population.
Abstract
Background and Purpose Epilepsy increases the risk of death in affected individuals of any age. We aimed to determine the mortality caused by epilepsy and its time trends in Korea. Methods We obtained population and cause of death data between 1993 and 2019 from Statistics Korea. We identified death caused by epilepsy or status epilepticus. We calculated the crude mortality rate (CMR), age-specific mortality rate, age-standardized mortality rate (ASMR, corresponding to epilepsy-related deaths per 100,000 persons in the general population), and the proportional mortality (PM, corresponding to the proportion of epilepsy-related deaths among all-cause deaths). Results In 2019, 471 deaths were caused by epilepsy (CMR=0.92), accounting for 0.16% of all deaths in that year. The age-specific mortality rate increased with age, up to 7.01% among individuals aged 80 years and older, while the PM was the highest (3.80%) among individuals aged 5–14 years, which decreased with age. Between 1993 and 2019, the CMR, ASMR, and PM peaked in 2002, and the CMR then rebounded after the trough in this trend in 2011 while the ASMR continued to decrease, and the PM became relatively stable from 2011. Starting in 2005, the age-specific mortality rate for epilepsy had an increasing tendency over time among those aged 75 years or older, and a decreasing tendency in the younger age groups. Conclusions A declining tendency of mortality from epilepsy was found in the overall population of Korea over recent decades. However, epilepsy is a notable cause of death in children, and epilepsy-related mortality is increasing in the elderly population.
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