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Original Research

Open Access Special Issue

Analysis of characteristics and trends of the In-Hospital Cardiac Arrest incidence in the Republic of Korea: clinical usefulness of national health insurance claim data

  • In Ho Kwon1
  • Yuri Choi1

1Department of Emergency Medicine, Dong-A University Hospital, Dong-A University College of Medicine, Busan, 49201, Republic of Korea

DOI: 10.22514/sv.2021.047 Vol.17,Issue 3,May 2021 pp.196-205

Submitted: 27 January 2021 Accepted: 23 February 2021

Published: 08 May 2021

(This article belongs to the Special Issue Out-of-Hospital Cardiac Arrest (OHCA))

*Corresponding Author(s): In Ho Kwon E-mail:


Backgrounds: In-Hospital Cardiac Arrest (IHCA) requires the preparation of considerable medical resources in hospitals. Furthermore, compared to Out-of-Hospital Cardiac Arrest, until recently, there have not been many studies on the incidence, characteristics, and prognosis of IHCA. This study is to examine IHCA event rates among hospitalized patients in the Republic of Korea from 2011 to 2015.

Methods: The incidence of IHCA in adults was extracted from claim data of the National Health Insurance Service from 2011 to 2015, and analyzed according to age, sex, the classification under the 7th revision of the Korean Standard Classification of Diseases (KCD-7), hospital types, and provinces.

Results: From 2011 to 2015, the overall incidence of IHCA in Korea was founded to be 3.00 per 1,000 hospitalizations. The overall 5-year IHCA incidence was higher in male at 3.92 cases per 1,000 hospitalizations and at female 2.19 cases per 1,000 hospitalizations. Incidence due to cardiovascular disease increased year by year, whereas incidences due to respiratory, neurological and infectious disease were decreasing, and in the case of oncologic disease, there was no change. In particular, patients with diseases of the circulatory system had at least a two times higher incidence compared to those with other diseases. The IHCA incidence in general hospitals and tertiary hospitals was at least two-fold higher than the national overall and showed an increasing trend. The provinces that showed a higher IHCA incidence than the five-year national overall were Jeju Special Self-Governing Province, Gangwon Province, and Seoul.

Conclusions: The results of this study can be used as important basic data to secure patient safety by reducing the occurrence of IHCA.


In-Hospital Cardiac Arrest; Incidence; Epidemiology; Big data; Claim data

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In Ho Kwon,Yuri Choi. Analysis of characteristics and trends of the In-Hospital Cardiac Arrest incidence in the Republic of Korea: clinical usefulness of national health insurance claim data. Signa Vitae. 2021. 17(3);196-205.


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