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Rural-urban differences in stroke risk.

George Howard1

  • 1Department of Biostatistics, UAB School of Public Health, 1665 University Drive, University of Alabama at Birmingham, Birmingham, AL 35294-0022, United States of America.

Preventive Medicine
|June 4, 2021
PubMed
Summary
This summary is machine-generated.

Rural-urban stroke mortality disparities widened until 2010, then narrowed due to urban plateauing and rural declines. Further research is needed to understand these temporal shifts in stroke death rates.

Keywords:
Case fatalityIncidenceMortalityReviewRuralStrokeUrban

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Area of Science:

  • Public Health
  • Epidemiology
  • Cardiovascular Disease Research

Background:

  • Significant rural-urban disparities exist in life expectancy, with stroke mortality contributing.
  • The rural-urban gap in stroke mortality showed an unexplained increase from 1999-2010, then a decrease by 2019.

Purpose of the Study:

  • To analyze temporal trends in the rural-urban disparity of stroke mortality.
  • To investigate potential drivers behind the changing magnitude of this disparity.

Main Methods:

  • Analysis of Vital Statistics data on stroke-specific mortality.
  • Examination of temporal patterns in rural versus urban stroke mortality rates.

Main Results:

  • The rural-urban stroke mortality disparity increased from 15% to 25% (1999-2010), then decreased to 8% (2019).
  • The recent decrease was linked to urban stroke mortality plateauing and rural stroke mortality continuing to decline.
  • Higher rural stroke incidence, potentially due to more risk factors, contributes to overall rural mortality.

Conclusions:

  • Temporal changes in the rural-urban stroke mortality disparity are complex and require further investigation.
  • While incidence disparities are evident, case fatality and care disparities play a less consistent role.
  • Lack of temporal data on contributing factors hinders a full understanding of these trends.