Methods: for the county over 60 years of age and older conducted a sample survey, calculation and comparison of disease spectrum and the overall composition of the situation;
方法：对全县年满60周岁及以上的老年人进行抽样调查，计算和比较疾病谱构成以及顺位情况；
Methods: for the county over 60 years of age and older conducted a sample survey, calculation and comparison of disease spectrum and the overall composition of the situation;
方法：对全县年满60周岁及以上的老年人进行抽样调查，计算和比较疾病谱构成以及顺位情况；
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