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J Korean Soc Emerg Med > Volume 30(5); 2019 > Article
Journal of The Korean Society of Emergency Medicine 2019;30(5): 419-427.
치명적 수단을 사용한 고의적 자해 입원환자 특성
차지훈1 , 안무업1 , 김동원1 , 이상규2 , 이창현2 , 김상미3 , 김정혁1 , 김형기1 , 한재현4 , 박경숙4
1한림대학교 의과대학 응급의학교실
2한림대학교 의과대학 정신건강의학교실
3이화여자대학교 빅데이터분석과
4한림대학교 원격의료센터
Clinical characteristics of intentional self-harm inpatient with lethal methods
Ji Hoon Cha1 , Moo Eob Ahn1 , Dong Won Kim1 , Sang Kyu Lee2 , Chang Hyun Lee2 , Sang Mi Kim3 , Jeong Hyeok Kim1 , Hyung Ki Kim1 , Jae Hyun Han4 , Kyung Sook Park4
1Department of Emergency Medicine, Hallym University College of Medicine, Chuncheon, Korea
2Department of Psychiatry, Hallym University College of Medicine, Chuncheon, Korea
3Department of Big Data Analytics, Ewha Womans University, Seoul, Korea
4Telemedicine Center, Hallym University, Chuncheon, Korea
Correspondence  Moo Eob Ahn ,Tel: 033-240-5220, Fax: 033-240-5446, Email: mooeob@gmail.com,
Received: October 24, 2018; Revised: October 28, 2018   Accepted: October 28, 2018.  Published online: October 31, 2019.
The aim of this study was to identify the latent class, according to the risk factors, of the patients hospitalized due to intentional self-harm by lethal means.
The risk factors were derived by categorizing the intentional self-harming measures by lethal (hanging, pesticide poisoning, jumping, and drowning) and non-lethal (drug poisoning and stab) measures and comparing the demographics, diseased state, and suicide-related characteristics. Latent class analysis was performed to identify the type of intentional self-harm.
Male (sex), elderly (age), rural (residing location), and comorbid diseases were found to be the risk factors for fatal injuries. For this, four latent classes were modeled. Factors, such as the age group between 20 to 40 years, women, and family conflict were included in the first class. The second class included the age group between 30 to 50 years, men, and financial problems. The third class covered the age group between 60 to 70 years and comorbidity. The fourth class contained the age group of 10 to 50 years, women, and mental problems. The rate of suicide and choice of fatal suicide was ranked in the order of 3 (62.7%, 21.5%), 2 (59.8%, 13.9%), 4 (36.8%, 5.7%), and 1 (29.5%, 5.9%).
A lethal mean access control policy needs to be established for the high-risk group of self-harm. Moreover, establishing an emergency room-community link prevention policy could help reduce the re-suicide attempt among suffering patients.
Key words: Suicide; Self-injurious behavior; Inpatients; Cluster analysis
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