1. The evaluation indesxes are the times of correct and omissive judgements.
   有效评价指标是正确判断次数和漏判次数。
2. Objective To enhance the ability to control the incidence rate and the omissive reporting rate of nosocomial infection in tumor hospital, and analyse the reasons.
   了解肿瘤患者医院感染发病率及漏报率，分析发生医院感染及漏报的原因，以便加强监控。

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