Figure 1. Study flow chart.
From January 2013 to September 2014, a total number of 26,082 AMI patients were registered in CAMI registry. We excluded 4088 patients due to missing or invalid data on age, BMI, on admission diagnosis and symptomology and finally included 21,994 patients. Among these patients, 4450 patients had diabetes and 17544 patients were non-diabetes. CAMI: China acute myocardial infarction.
