对近3年内医院感染的漏报情况作了回顾性调查,并分析原因如下。1　概念不清,诊断不明临床住院医生不能准确地掌握医院感染的诊断标准,概念模糊不清,是造成漏报的主要原因。调查中发现,当发生或有可疑的医院感染时,部分管床医生不能有目的作一些必要的实验室检查,如血、尿、便常 Retrospective survey on the omission of nosocomial infections in the past 3 years was conducted and the reasons were analyzed as follows. 1 concept is unclear, the diagnosis is unknown Clinical inpatient can not accurately grasp the diagnostic criteria of nosocomial infection, the concept of ambiguity is the main reason for the omission. During the investigation, some tube-bed doctors did not have the purpose to make necessary laboratory tests such as blood, urine and normal when there was or suspected hospital infection