Oh Sang Hoon, Lee Kyoung Uk, Kim Soo Hyun, Park Kyu Nam, Kim Young Min, Kim Han Joon
Department of Emergency Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-Gu, Seoul, 137-701 Republic of Korea.
Department of Psychiatry, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
Int J Ment Health Syst. 2014 Nov 18;8:43. doi: 10.1186/1752-4458-8-43. eCollection 2014.
Most attempted suicides have a low lethality, but hanging, drowning, and jumping from a great height have a high risk of completed suicide. The aim of this study was to assess the sociodemographic profiles of patients who attempted suicide using high lethality methods relative to all other methods of attempted suicide.
We retrospectively investigated all attempted suicides treated at a tertiary university hospital in Seoul between January 2008 and February 2012. The following variables were considered: the patients' attempted suicide methods, age, sex, history of attempted suicides, previous psychiatric history, occupation, and living conditions. The suicide methods were categorized into two groups: high lethality (e.g., hanging, falling, and drowning) and low lethality methods (e.g., self-poisoning and cutting). We investigated risk factors related to the choice of high lethality methods.
A total of 560 patients were enrolled in this study. Deliberate self-poisoning was the most common method of attempted suicide (61.6%), followed by cutting (22.5%), hanging (10.4%), falling (4.1%), and drowning (1.4%). In logistic regression analyses, odds ratios for the choice of high lethality methods were 1.02 (95% CI = 1.01 to 1.03, p < .01), 7.22 (95% CI = 3.06 to 17.04, P < .01), and 0.59 (95% CI = 0.35 to 0.99, p = .04) for age, previous attempted suicide with a high lethality method, and alcohol co-ingestion, respectively.
Our findings indicated that age and past attempted suicide using a high lethality method are associated with the use of high lethality methods for attempting suicide.
大多数自杀未遂的致死率较低，但上吊、溺水和高处坠落导致自杀成功的风险较高。本研究的目的是评估与所有其他自杀未遂方法相比，使用高致死率方法自杀未遂患者的社会人口学特征。
我们回顾性调查了2008年1月至2012年2月在首尔一家三级大学医院接受治疗的所有自杀未遂患者。考虑了以下变量：患者的自杀未遂方法、年龄、性别、自杀未遂史、既往精神病史、职业和生活条件。自杀方法分为两组：高致死率（如上吊、坠落和溺水）和低致死率方法（如自我中毒和割伤）。我们调查了与选择高致死率方法相关的危险因素。
本研究共纳入560例患者。故意自我中毒是最常见的自杀未遂方法（61.6%），其次是割伤（22.5%）、上吊（10.4%）、坠落（4.1%）和溺水（1.4%）。在逻辑回归分析中，年龄、既往使用高致死率方法自杀未遂和同时摄入酒精选择高致死率方法的比值比分别为1.02（95%CI=1.01至1.03，p<0.01）、7.22（95%CI=3.06至17.04，P<0.01）和0.59（95%CI=0.35至0.99，p=0.04）。
我们的研究结果表明，年龄和既往使用高致死率方法自杀未遂与使用高致死率方法自杀未遂有关。
