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Mortality Rate of Infection With COVID-19 in Korea From the Perspective of Underlying Disease

Yun-Jung Kang1

  • 1Department of Clinical Laboratory Science, Sang-ji University, Wonju, Korea.

Disaster Medicine and Public Health Preparedness
|April 2, 2020
PubMed

Insights

COVID-19, a novel coronavirus pneumonia, emerged in China in late 2019. Elderly patients over 70 with circulatory conditions face the highest COVID-19 mortality risk.

Area of Science:

  • Epidemiology
  • Infectious Diseases
  • Public Health

Background:

  • The novel coronavirus (2019-nCoV), later named COVID-19, was first reported in Wuhan, China, on December 31, 2019.
  • The first confirmed case in Korea was documented on January 20, 2020.
  • COVID-19 rapidly emerged as a significant global health concern.

Purpose of the Study:

  • To analyze the epidemiological characteristics of COVID-19.
  • To identify demographic groups at higher risk for severe outcomes.
  • To inform public health strategies for vulnerable populations.

Main Methods:

  • Retrospective analysis of reported COVID-19 cases.
  • Age-specific mortality rate calculation.
  • Correlation analysis between comorbidities and mortality.

Main Results:

  • The highest age-specific death rate was observed in patients over 70 years old.
  • Pre-existing circulatory system diseases (myocardial infarction, cerebral infarction, arrhythmia, hypertension) were associated with increased mortality.
  • Vulnerable populations, particularly the elderly with underlying conditions, experienced disproportionately severe outcomes.

Conclusions:

  • Elderly individuals (over 70) with circulatory comorbidities represent a high-risk group for severe COVID-19.
  • Strict precautionary measures are crucial for this demographic to mitigate serious illness and mortality.
  • Understanding risk factors is vital for targeted public health interventions during the COVID-19 pandemic.

Keywords:
COVID-19mortality rateover 70perspectivepreventionunderlying diseases

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