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目的了解2010—2012年深圳市盐田区手足口病(HFMD)的季节性分布特点,为制定防治策略和控制措施提供参考。方法采用Excel 2007软件,利用“传染病报告信息管理系统”中的监测数据,计算集中度和圆形分布指标,并进行统计学分析。结果集中度M=0.315,圆形分布r=0.310 9,平均角ā=175.9°,可信区间为88.34°,263.51°(P<0.01)。3年数据每年平均角比较,差异有统计学意义(P<0.01)。结论 2010—2012年深圳市盐田区手足口病发病具有一定的季节性,发病高峰时间为6月底,流行期为3月下旬—9月中旬,各年度流行期持续时间不同。
Objective To understand the seasonal distribution of hand-foot-mouth disease (HFMD) in Yantian District of Shenzhen City from 2010 to 2012, and provide references for the formulation of control strategies and control measures. Methods The Excel 2007 software was used to calculate the concentration and circular distribution using the monitoring data in Infectious Disease Reporting Information Management System and the statistical analysis was made. Results showed a concentration of M = 0.315, a circular distribution of r = 0.310 9, an average angle of 175.9 ° and a credible interval of 88.34 ° and 263.51 ° (P <0.01). The average annual 3-year data showed a statistically significant difference (P <0.01). Conclusion The incidence of hand, foot and mouth disease in Yantian District of Shenzhen City during the period of 2010-2012 was seasonal. The peak time of incidence was at the end of June, and the prevalence period was late March to mid September. The duration of epidemic period was different in each year.