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目的通过对乙型脑炎发病与平均气温、降雨量、相对湿度和日照等气象因子进行相关分析,探讨乙型脑炎发病与气象影响因子之间的关系和关联程度。方法收集2005-2013年保山市乙型脑炎的发病数据及同期平均气温、降雨量、相对湿度和日照等气象资料,用SPSS11.5软件分析各气象因子与发病的关系和关联程度,并用电子表格作图和建立回归方程。结果保山市2005-2013年共报告流行性乙型脑炎297例,2006年发病最高,共62例,占总病例的20.88%;地区分布隆阳区发病最多,共发182例,占61.95%;月份分布8月最高,共113例,占总发病的38.05%。发病与气象因子的相关性,五县区进行分析,发病与降雨量、平均气温、相对湿度和日照等气象因子的相关性均无统计学意义,但仅就隆阳区和施甸县进行分析,发病与降雨量、平均气温、相对湿度和日照等气象因子的相关性又都有统计学意义。年份上,发病与相对湿度的相关性有统计学意义。月份分析,发病与各气象因子的相关性均有统计学意义。结论保山市的乙脑发病与平均气温、降雨量、相对湿度和日照等气象因子均有较大的关系,但不同县区、不同年份和月份发病与平均气温、降雨量、相对湿度和日照等气象因子的相关性又有不同。因此,分析乙脑的发病要综合、全面的考虑。
Objective To analyze the relationship between encephalitis incidence and meteorological factors by correlating the incidence of encephalitis with the average temperature, rainfall, relative humidity and sunshine. Methods The epidemiological data of encephalitis B and the mean temperature, rainfall, relative humidity and sunshine of Baoshan from 2005 to 2013 were collected. The relationship and association between meteorological factors and incidence were analyzed by SPSS11.5 software. Form charts and build regression equations. Results A total of 297 cases of Japanese encephalitis were reported in Baoshan from 2005 to 2013, with the highest incidence of 62 cases in 2006, accounting for 20.88% of the total cases. The most incidence was found in Longyang District, with a total of 182 cases (61.95% ; Month distribution in August the highest, a total of 113 cases, accounting for 38.05% of the total incidence. Incidence and meteorological factors, five counties were analyzed, incidence and rainfall, the average temperature, relative humidity and sunshine and other weather factors were not statistically significant, but only on the analysis of Longyang District and Shidian The correlations between incidence and precipitation, mean temperature, relative humidity and sunlight were all statistically significant. In the year, the correlation between onset and relative humidity was statistically significant. Month analysis, incidence and the correlation between the meteorological factors were statistically significant. Conclusion The incidence of Japanese encephalitis in Baoshan City is related to the average temperature, rainfall, relative humidity and sunshine and other meteorological factors. However, the incidence, the average temperature, the rainfall, the relative humidity and the sunshine in different counties, years and months are different Meteorological factors have different relevance. Therefore, the analysis of the incidence of Japanese encephalitis should be comprehensive and comprehensive consideration.