| AMI | acute myocardial infarction |
| CI | confidence interval |
| HR | hazard ratio |
| IQR | interquartile range |
| KAMIR-NIH | Korea Acute Myocardial Infarction Registry-National Institute of Health |
| MACE | major adverse cardiac events |
| PCI | percutaneous coronary intervention |
| RAAS | renin–angiotensin–aldosterone system |
| TIMI | thrombolysis in myocardial infarction |