Objective To investigate the occurrence and distribution of Hospital Lower Respiratoy Tract Infections, analysis risk factors, provide basis for preventing and controlling Hospital Infections.
目的了解我院下呼吸道医院感染的发生与分布，分析其危险因素，为预防和控制医院感染提供依据。
Methods: 450 cases admitted to hospital in recent years, lower respiratory tract infections in patients with clinical data analysis, summarize the type of pathogenic bacteria and drug resistance.
方法：对我院近年收治的450例下呼吸道感染患者的临床资料进行回顾性研究，总结病原菌类型及耐药性。
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