The evaluation indesxes are the times of correct and omissive judgements.

有效评价指标是正确判断次和漏判次。

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.

肿患感染发病率及漏报率，分析发生感染及漏报的原因，以便加强监控。