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目的:研究脑膜炎双球菌感染性疾病(MD)的发病率、死亡率和病死率是否存在地区贫富差异,以及是否随着时间而改变。方法:研究人群为小于5岁的MD患儿,对两个时期(1995-1999和1991-1994)的地区贫困程度进行五分位数分析。计算年年龄标准化率,用Poisson回归和危险比来分析发病率、死亡率与区域贫
PURPOSE: To investigate the incidence, mortality and mortality of meningococcal disease (MD) in areas where there are regional differences between rich and poor and whether they change over time. Methods: The study population of children younger than 5 years of age was MD with a quintile of poverty in two periods (1995-1999 and 1991-1994). The age-standardized rates were calculated, and the incidence was analyzed by Poisson regression and hazard ratio. Mortality and regional poverty