应用集中度及圆形分布法分析河南省2004～2010年斑疹伤寒季节性分布  

作　　者：尤爱国[1] 康锴[1] 王海峰[1] 陈豪敏[1] 许汴利[1] 

机构地区：[1]河南省疾病预防控制中心传染病预防控制所流行病室,450016

出　　处：《当代医学》2012年第4期158-159,共2页Contemporary Medicine

摘　　要：目的分析河南省斑疹伤寒的季节性分布规律,为制定防控策略和措施提供科学依据。方法应用集中度和圆形分布法对河南省2004～2010年斑疹伤寒的季节性分布进行分析。结果河南省2004～2010年斑疹伤寒季节性分布的M值为0.365,圆形分布平均角所对应的日期即斑疹伤寒集中发病高峰期为8月16日,发病高峰期的95%可信区间为7月10日至9月20日,经平均角的Rayleigh’test,Z=5.951,P<0.01。结论河南省斑疹伤寒发病有一定的季节性,流行高峰期为7～9月。Objective To analyze the seasonal characteristics of typhus in Henan province, in order to provide scientific evidence for making strategies for typhus prevention and control. Methods Concentration degree and circular distribution Methods were used to analyze the seasonal characteristics of typhus in Henan province from year 2004 to 2010. Results The M-value of the seasonal distribution of typhus from 2004 to 2010 was 0.365. The corresponding date of mean angle in circular distribution analysis was 16th August. The 95% confidence interval （CI） for the peak was from 10th July to 20th September. The Z value of Rayleigh＇ test was 5.951, P valve is less than 0.01.Conclusion Typhus in Henan province has certain seasonal variation. The epidemic peak is from July to September.

关 键 词：集中度 圆形分布 斑疹伤寒 

分 类 号：R181.3[医药卫生—流行病学]