由于准确掌握了沈阳市儿童死亡情况,并不断采取干预措施,沈阳市5岁以下儿童死亡率逐年下降,从1990年的19.2‰下降到2005年的9.49‰,主要死因别死亡率也出现变化,干预措施取得了实质性效果。1资料与方法1.1资料来源1990年1月1日~2005年12月31日期间,采取整群分层抽样原则,在5个 Due to the accurate grasping of the death of children in Shenyang and continuous intervention, the death rate of children under 5 years of age in Shenyang dropped year by year from 19.2 ‰ in 1990 to 9.49 ‰ in 2005. The main cause of death was a change in mortality rate. The interventions have yielded substantial results. 1 Materials and Methods 1.1 Source of information January 1, 1990 ~ December 31, 2005 period, the cluster stratified sampling principle, in 5