The total fail-to-report rate(FRR)was 45 32%,and we deduced that the corrected incidence rate(CIR)was 340 80 per 100000 which was 1 83 times as the reported incidence rate(RIR). There was significant difference of FRR bteween cities and countries.

• 甲、乙类传染病总漏报率为 45 32%25 ,以此推算出同期全省传染病校正报告发病率为 340 80 /10万 ,是报告发病率的 1 83倍 ,且城乡漏报率差异显著。