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Trends in Mortality from Hemorrhagic Stroke in Korea from 2012 to 2020

Kwang-Chun Cho1,2, Hasung Kim3, Sang Hyun Suh4

  • 1Department of Neurosurgery, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea.

Neurointervention
|June 22, 2022
PubMed

Insights

Mortality rates for hemorrhagic stroke (HS), including subarachnoid hemorrhage (SAH) and intracerebral hemorrhage (ICH), significantly declined in Korea from 2012 to 2020. These positive trends were observed across all age groups and both sexes, indicating improved outcomes.

Area of Science:

  • Public Health
  • Epidemiology
  • Neurology

Background:

  • Hemorrhagic stroke (HS) encompasses subarachnoid hemorrhage (SAH) and intracerebral hemorrhage (ICH), significant causes of mortality worldwide.
  • Understanding mortality trends is crucial for public health interventions and resource allocation.

Purpose of the Study:

  • To analyze trends in age-adjusted mortality rates for hemorrhagic stroke (HS) and its subtypes (SAH and ICH) in Korea.
  • To examine these trends across different age groups and sexes from 2012 to 2020.

Main Methods:

  • Utilized nationwide data from the National Health Claims Database (2012-2020).
  • Calculated age-adjusted mortality rates for HS, SAH, and ICH using the International Classification of Disease.
  • Conducted subgroup analyses based on age and sex.

Main Results:

  • A substantial decrease in age-adjusted mortality rates for HS, SAH, and ICH was observed in both sexes between 2012 and 2020.
  • HS mortality decreased from 8.87 to 6.27 per 100,000 population; SAH from 3.72 to 2.57; ICH from 6.91 to 4.75.
  • Annual percentage changes were -4% for HS, -4% for SAH, and -5% for ICH, with consistent declines across all age groups.

Conclusions:

  • Korea experienced a significant declining trend in age-adjusted mortality rates for HS, SAH, and ICH.
  • These downward trends were consistent across both sexes and all age demographics.
  • Findings can inform the development and enhancement of preventive strategies for hemorrhagic stroke.
Abstract

Keywords:
Hemorrhagic strokeKoreaMortality rateTrends

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