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Objective To assess the trends in clinical characteristics and treatments for in-hospital patients with ST-segment elevation myocardial infarction(STEM)in western rural China from 2001 to 2011.Methods A two-stage random sampling procedure was used in our study.In 1st stage,stratified random sampling was applied to identify
Objective To assess the trends in clinical characteristics and treatments for in-hospital patients with ST-segment elevation myocardial infarction (STEM) in western rural China from 2001 to 2011. Methods A two-stage random sampling procedure was used in our study. 1st stage, stratified random sampling was applied to identify