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目的探讨湖南省平江县的慢性支气管炎(慢支)死亡率与气象因素的关系。方法收集平江县2009年1月至2011年12月慢支的死亡数据、人口数据及同期气象数据,利用Spearman相关和主成分分析方法探讨慢支死亡率与气象因素的关系。结果大于45岁的人群慢支死亡率显著升高,是该研究区的敏感人群;50岁以上各年龄段人群中男性慢支死亡率均高于女性;敏感人群慢支死亡率在冬春季较高,且与气温、气压、水汽压、日照时数和风速显著相关。结论平江县45岁以上人群为慢支敏感人群,慢支死亡率具有显著的季节性差异和性别差异,气温、气压、水汽压、日照时数和风速是影响敏感人群慢支死亡率的主要气象因素。
Objective To investigate the relationship between chronic bronchitis (chronic bronchitis) mortality and meteorological factors in Pingjiang County of Hunan Province. Methods The mortality data, population data and meteorological data of chronic bronchitis collected from January 2009 to December 2011 in Pingjiang were collected. Spearman correlation and principal components analysis were used to explore the relationship between chronic bronchitis mortality and meteorological factors. Results The death rate of chronic bronchitis was significantly higher in those over 45 years of age, which were the sensitive population in this study area. The death rate of chronic bronchitis was higher in men over the age of 50 than in women. The death rate of chronic bronchitis in sensitive population was higher in winter and spring High, and with temperature, pressure, vapor pressure, sunshine hours and wind speed significantly related. Conclusions There is a significant seasonal difference and gender difference in mortality of chronic bronchitis among people over 45 in Pingjiang County. Temperature, barometric pressure, vapor pressure, sunshine hours and wind speed are the main meteorological factors that affect the mortality rate of chronic bronchitis in sensitive population factor.