J Korean Soc Clin Toxicol.  2020 Dec;18(2):102-109. 10.22537/jksct.2020.18.2.102.

Analysis of Factors Affecting the Hospitalization of Patients Visited the Emergency Department after Deliberate Self-poisoning

Affiliations
  • 1Department of Emergency Medicine, Inje University Sanggye Paik Hospital, Seoul, Korea

Abstract

Purpose
This study examined factors associated with the hospitalization of patients who visited the emergency department (ED) after deliberate self-poisoning.
Methods
The medical records of the patients, who visited the ED at a tertiary teaching hospital after deliberate self-poisoning between March 2017 and December 2019, were reviewed retrospectively.
Results
Fifty-seven in the hospitalization and 236 in the discharge group patients were included. The mean age in the hospitalization and discharge group was 48.8±20.4 and 41.8±19.1, respectively (p=0.020). Univariate analysis revealed statistically significant differences in age (p=0.020), mental status (p<0.001), request for help (p=0.046), chronic disease (p=0.036), substance ingested (p<0.001), and risk rescue-rating scale (p<0.001) between the two groups (hospitalization group and discharge group). In multiple logistic regression analysis for predicting the hospitalization of patients after deliberate self-poisoning, the Risk-Rescue Rating Scale (RRRS) was identified (OR=1.493, 95% confidential interval=1.330-1.675, p<0.001). Receiver operating characteristics analysis of RRRS for the decision to hospitalize showed a cut-off value of 38.9, with a sensitivity, specificity, and area under the curve of 96.4%, 77.0%, and 0.949, respectively.
Conclusion
The RRRS can be used to determine the hospitalization for patients who visited the ED after deliberate self-poisoning. Nevertheless, multicenter prospective studies will be needed to determine the generalisability of these results.

Keyword

Emergency medical service; Poisoning; Suicide; Hospitalization
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