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目的探索手足口病流行的空间分布特点。方法利用杭州市2011年15个区(县)手足口病疫情数据,使用GeoDa 095i软件,采用Moran’sⅠ系数对数据进行空间自相关分析及检验。结果 2011年杭州市报告手足口病5 534例,报告发病率为63.61/10万。全局空间自相关Moran’sⅠ系数为0.33(P=0.038),局部空间自相关显示拱墅区、江干区、西湖区和萧山区为手足口病高发病率聚集区(LISA=0.413 5、0.460 0、0.178 5和0.350 8,P均<0.05),淳安县和桐庐县为低发病率聚集区(LISA=0.692 3和0.676 2,P均<0.05)。结论杭州市手足口病发病率分布呈非随机分布,存在较明显的聚集性。
Objective To explore the spatial distribution of HFMD. Methods The epidemic data of hand, foot and mouth disease in 15 districts and counties of Hangzhou City were used in 2011, and GeoDa 095i software was used to analyze the spatial autocorrelation and test using Moran’s Ⅰ coefficient. Results In 2011, 5 534 HFMD cases were reported in Hangzhou City, with a reported incidence rate of 63.61 / 100 000. The global spatial autocorrelation Moran’sⅠcoefficient was 0.33 (P = 0.038). Local spatial autocorrelation showed that Gongshu District, Jianggan District, Xihu District and Xiaoshan District were the high incidence of HFMD (LISA = 0.413 5,0.460 0 , 0.178 5 and 0.350 8, P <0.05). Chun’an and Tonglu counties had low incidence of disease (LISA = 0.692 3 and 0.676 2, P <0.05). Conclusion The distribution of HFMD in Hangzhou is nonrandom distribution, with obvious aggregation.