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  • Title: [Typing of hemorrhagic fever with renal syndrome by cluster analysis].
    Author: Guo XH, Cao WC, Hu LP, Zhou SG, Zhang XT, Chen HX.
    Journal: Zhonghua Liu Xing Bing Xue Za Zhi; 2003 Jul; 24(7):577-80. PubMed ID: 12975012.
    Abstract:
    OBJECTIVE: To make an inquiry into method of typing of hemorrhagic fever with renal syndrome (HFRS). METHOD: Average monthly rates were calculated on the basis of data from 1995 to 1999, then cluster analysis was carried out to type out endemic areas. RESULTS: Compared with the results of 36 surveillance spots from 1980 to 1992, twenty-four surveillance spots had the same results (66.7%). Twenty-three surveillance spots had the same results with the original data in 1999 (82.1%). CONCLUSION: HFRS incidences increased in spring or in summer, but decreased in autumn or in winter. Cluster analysis seemed to be a supplementary method in distinguishing the epidemic types for HFRS.
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