Research backgroundAs the persistent development of economy and health service in China, the communicable diseases which threatened people's health in the past has been contolled effectively. But the Non-communicable chronic disease has become the major threat of Chinese people. Otherwise, the rising of medical expense has also caused the extensive concern of society. So it is very essential to develop the research about medical service expense of circulatory system disease.Research objectives1. analyzing the basic circumstance of the sample;2. describing the prevalence rate of circulatory system disease among residents in Weihai city;3. describing the medical cost of out-patients and in-patients of circulatory system disease in Weihai city;4. analyzing the medical cost of out-patients and in-patients of circulatory system disease in Weihai city by single factor;...
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