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目的分析2006-2011年广东省登革热的时空分布特征,为登革热防控提供科学依据。方法计算2006-2011年广东省登革热县(区)级年发病率水平,利用空间自相关分析确定登革热高风险地区。结果广东省珠江三角洲和韩江三角洲登革热发病率分别为>4/10万和>2.5/10万,Moran’sⅠ统计量在2006-2007年(P=0.005)和2009-2011年(P=0.001)有统计学意义,2007-2008年无统计学意义(P=0.814)。结论广东省登革热分布是非随机的,珠江三角洲和韩江三角洲是登革热的高危地区。
Objective To analyze the temporal and spatial distribution of dengue fever in Guangdong Province from 2006 to 2011 and provide a scientific basis for prevention and control of dengue fever. Methods The annual incidence of dengue fever in Guangdong Province from 2006 to 2011 was calculated, and the spatial autocorrelation analysis was used to identify high-risk areas of dengue fever. Results The incidence rates of dengue fever in the Pearl River Delta and Hanjiang Delta in Guangdong Province were> 4/10 and> 2.5 / 100 000, respectively. The Moran’s I statistic was between 2006-2007 (P = 0.005) and 2009-2011 (P = 0.001 ) Was statistically significant, 2007-2008 was not statistically significant (P = 0.814). Conclusion The distribution of dengue fever in Guangdong Province is non-random, and the Pearl River Delta and the Han River Delta are high-risk areas for dengue fever.