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Investigation of nosocomial infection prevalence rate in comprehensive hospital .

综合性医院医院感染现患率调查分析。

Epidemic characteristic analysis of 454 cases of nosocomial pneumonia .

454例医院获得性肺炎流行特征分析。

Analysis of distribution of pathogens causing nosocomial bacteremia in senile patients .

老年患者医院内菌血症病原菌分布与相关因素分析。

Methods pathogenic types and the results of drug sensitive test in 142 children with nosocomial infection were analyed .

方法对医院感染患儿的142株病原菌类型及其药敏试验结果进行分析。

Conclusions nosocomial infectious factors are mainly that immune function is lower in the aged and antibiotic is used generally .

结论老年人免疫功能低下，抗生素的大量应用等是引起医院感染的主要因素。