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[目的]了解某院医院感染危险因素,为医院感染的控制和目标性监测提供科学依据。[方法]2008年1～12月每月下旬进行一次医院感染现患率调查的同时进行医院感染危险因素调查,并对结果进行统计分析。[结果]医院感染平均现患感染率和例次感染率分别为3.89%和4.19%;部位分布前5位为呼吸系统、泌尿系统、口腔、血液、手术切口;科室分布前5位依次为ICU、内科、外科、肿瘤科、儿科。多因素非条件Logistic回归分析显示:男性、年龄≥60岁、有基础病、及侵入性操作:动静脉插管、使用呼吸机、泌尿道插管、胃插管、气管切开会显著增加发生医院感染的风险。[结论]医院感染的高危因素为男性、年龄≥60岁、侵入性操作、基础病,医院感染目标性监测应针对这些因素而确立。
[Objective] To understand the risk factors of nosocomial infection in a hospital and provide a scientific basis for the control and targeted monitoring of nosocomial infection. [Method] From January to December in 2008, a survey of prevalence rate of nosocomial infection was carried out in late January each month. At the same time, the risk factors of nosocomial infection were investigated and the results were statistically analyzed. [Results] The average prevalence rate of infection and the rate of nosocomial infection in hospital were 3.89% and 4.19% respectively. The top five locations were respiratory system, urinary system, oral cavity, blood and surgical incision. The top five departments were ICU , Internal medicine, surgery, oncology, pediatrics. Multivariate non-conditional logistic regression analysis showed that men, age≥60 years, had underlying diseases and invasive procedures: arteriovenous intubation, ventilator, urinary tract intubation, gastric intubation and tracheotomy would significantly increase the occurrence Hospital infection risk. [Conclusion] The high risk factor of nosocomial infection is male, and the age is over 60 years old. The target monitoring of invasive operation, basic disease and nosocomial infection should be established according to these factors.