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集中度和圆形分布法分析蓬莱市肾综合征出血热季节性的应用 被引量:9

Analysis of the seasonal changes of hemorrhagic fever in patients with renal syndrome using the muster and circular distribution methods
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摘要 目的分析蓬莱市肾综合征出血热发病高峰期的集中时间,为防治工作提供科学依据。方法用圆形分布法将数据进行三角函数转换,求平均角α、角离差s,并进行假设检验和均数比较。结果集中度值M=0.3685;圆形分布法分析显示,r=0.3472,ā=90.40°,s=83.34,高峰期(ā±s)=(7.06,173.74),Z值37.3719≥6.907(0.001,∝)(查Z界值表),即P〈0.001。结论蓬莱肾综合征出血热发病高峰期为1月上旬至6月下旬,此前,开展防鼠灭鼠、加强疫情监测、发现疑似病例等措施意义重大。 Objective The aim of this study was to analyze the seasonal changes of hemorrhagic fever in patients with renal syndrome,and to provide scientific evidence for the disease prevention and control. Methods The mean angle and angular deviation were calculated using the triangle function transformation with circular distribution method. The mean and hypothesis were then examined. Results Using the muster method, the value of M was 0.3685.Using the circular distribution method, r=0.3472,ā=90.40°,s=83.34, and (ā±s)=(7.06,173.74). From the Reileighs test,Z=37.3719 ≥6.907(0.001,∝),mean P0.001. Conclusions The peak period of hemorrhagic fever was from early January to late June in Penglai. The program of rodent control and the epidemic monitoring, should be strengthen.
作者 周淑琴 孟淑欣 ZHOU Shu-qin,MENG Shu-xin (Penglai Center for Disease Control and Prevention,Shandong,Penglai 265600,China)
出处 《热带医学杂志》 CAS 2012年第4期 475-477,共3页 Journal Of Tropical Medicine
关键词 肾综合征出血热 集中度法 圆形分布法 季节性 hemorrhagic fever with renal syndrome muster method circular distribution method seasonal changes
作者简介 作者简介:周淑琴(1971-),女,副主任医师,主要从事传染病预防与控制工作
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