Mood Emot.  2020 Nov;18(3):100-109. 10.35986/me.2020.18.3.100.

Clinical Characteristics of People Who Attempted Suicide by Carbon Monoxide Poisoning in Korea

Affiliations
  • 1Department of Psychiatry, Hanyang University College of Medicine, Seoul, Korea
  • 2Department of Emergency Medicine, Hanyang University College of Medicine, Seoul, Korea

Abstract

Background
The rate of suicide by carbon monoxide (CO) poisoning is increasing rapidly in Korea. In this study, we aimed to investigate the clinical characteristics of suicide attempters in Korea and to identify risk groups for choosing CO poisoning as a suicide method.
Methods
Patients who visited the emergency department after attempting suicide between April 2017 and June 2019 were included in this study. We reviewed the medical records and evaluated the demographic and clinical data of suicide attempters. Cross-tabulation analyses and multivariable logistic regression analyses were performed.
Results
Statistically significant risk groups for suicide by CO poisoning were men (odds ratios [OR], 1.71), those who were 25-44 years of age (OR, 7.35), those with no psychiatric history (OR, 2.12), and those who made a suicide plan (OR, 7.70). Among suicide attempters grouped according to psychiatric diagnoses, those with adjustment disorders were most likely and those with psychosis were least likely to choose CO poisoning as the suicide method.
Conclusion
To prevent a CO poisoning suicide attempt, it seems warranted to develop a tool to screen patients for suicide risk as part of a regular health checkup so that early intervention can be provided.

Keyword

Carbon monoxide poisoning; Suicide; Clinical characteristics; Risk; Charcoal
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