Journal of The Korean Society of Clinical Toxicology (대한임상독성학회지)

Korean society of Clincal Toxicology (대한임상독성학회)
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Demographic characteristics of patients admitted to the emergency department for intoxication and a time series analysis during the COVID-19 period

중독으로 응급의료센터에 내원한 환자의 일반적 특성 연구 및 코로나바이러스감염증-19 유행 기간의 시계열 분석 연구

  • Bongmin Son (Department of Emergency Medicine, Yonsei University College of Medicine) ;
  • Nayoon Kang (Department of Statistics and Data Science, Yonsei University) ;
  • Eunah Han (Department of Emergency Medicine, Yonsei University College of Medicine) ;
  • Gina Yu (Department of Emergency Medicine, Yonsei University College of Medicine) ;
  • Junho Cho (Department of Emergency Medicine, Yonsei University College of Medicine) ;
  • Jaiwoog Ko (Department of Emergency Medicine, Yonsei University College of Medicine) ;
  • Taeyoung Kong (Department of Emergency Medicine, Yonsei University College of Medicine) ;
  • Sung Phil Chung (Department of Emergency Medicine, Yonsei University College of Medicine) ;
  • Minhong Choa (Department of Emergency Medicine, Yonsei University College of Medicine)
  • 손봉민 (연세대학교 의과대학 응급의학교실) ;
  • 강나윤 (연세대학교 통계데이터사이언스학과 ) ;
  • 한은아 (연세대학교 의과대학 응급의학교실) ;
  • 유지나 (연세대학교 의과대학 응급의학교실) ;
  • 조준호 (연세대학교 의과대학 응급의학교실) ;
  • 고재욱 (연세대학교 의과대학 응급의학교실) ;
  • 공태영 (연세대학교 의과대학 응급의학교실) ;
  • 정성필 (연세대학교 의과대학 응급의학교실) ;
  • 좌민홍 (연세대학교 의과대학 응급의학교실)
  • Received : 2023.07.22
  • Accepted : 2023.10.10
  • Published : 2023.12.31
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Abstract

Purpose: This study investigated the characteristics and treatment outcomes of patients who visited the emergency department due to intoxication and analyzed the impact of the coronavirus disease 2019 (COVID-19) pandemic on their visits. Methods: A retrospective study was conducted using data from the National Emergency Department Information System (NEDIS) on patients who visited the emergency department due to intoxication between January 2014 and December 2020. In total, 277,791 patients were included in the study, and their demographic and clinical data were analyzed. A model was created from 2014 to 2019 and applied to 2020 (i.e., during the COVID-19 pandemic) to conduct a time series analysis distinguishing between unexpected accidents and suicide/self-harm among patients who visited the emergency department. Results: The most common reason for visiting the emergency department was unintentional accidents (48.5%), followed by self-harm/suicide attempts (43.8%). Unexpected accident patients and self-harm/suicide patients showed statistically significant differences in terms of sex, age group, hospitalization rate, and mortality rate. The time series analysis showed a decrease in patients with unexpected accidents during the COVID-19 pandemic, but no change in patients with suicide/self-harm. Conclusion: Depending on the intentionality of the intoxication, significant differences were found in the age group, the substance of intoxication, and the mortality rate. Therefore, future analyses of patients with intoxication should be stratified according to intentionality. In addition, the time series analysis of intentional self-harm/suicide did not show a decrease in 2010 in the number of patients, whereas a decrease was found for unintentional accidents.

Keywords

References

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