精神病人受审能力影响因素研究

Study of Affecting Factors of Mental Disorder Offender′s Competency to Stand Trial

目的探究精神病人受审能力的影响因素。方法对在四川大学华西基础医学与法医学院法医精神病学教研室进行法医精神病学鉴定的170名被鉴定人进行受审能力评定,评定研究对象的受审能力、精神症状,收集其人口学资料、犯罪学资料,采用统计描述、t检验、χ2检验、秩和检验和logistic回归分析等方法研究精神病人受审能力的影响因素。结果BPRS的思维障碍因子、激活性因子、PANSS的P分对受审能力具有显著影响;无受审能力组病理性和不明作案动机比例较高,且与有受审能力组相比差别具有统计学意义;无受审能力组言语智商低于有受审能力组,差别具有统计学意义;无受审能力组精神分裂症比例较高,差别具有统计学意义。结论BPRS的思维障碍因子、激活性因子、PANSS的P分、言语智商、精神疾病诊断、作案动机对精神病人受审能力具有一定影响。

Objective To explore the affecting factors of mental disorder offender＇s competency to stand trial. Methods Assess 170 pre-trial criminal suspect or defendants＇ competency to stand trial in the department of Forensic Psychiatry Forensic Medicine College Sichuan University, scale their psychological symptoms with BPRS and PANSS, collect their demographic and criminal data, then explore the affecting factors of the mental disorder offender＇s competency to stand trial by means of analyzing these data using statistics description, t-test, chi-square test, rank-sum test and logistic regression analysis. Results Thinking disorder factor and active factor of BPRS and P value of PANSS affect the competency to stand trial significantly; in the incompetent to stand trial （IST） group, pearson＇s ratio, pathological and unclear motivation＇s ratio, schizophrenia diagnose ratio are all higher than those in the competent to stand trial （CST） group; the VIQ scores of the IST group is lower than that of the CST group, and all the deference have statistics significance. Conclusion Thinking disorder factor and active factor of BPRS, P value of PANSS, VIQ, mental disorder diagnose, mental disorder and violent behavior history, criminal motivation may affect his/her competency to stand trial obviously.