| AKI | Acute kidney injury |
| AMI | Acute myocardial infarction |
| CI | Confidence interval |
| CKD | Chronic kidney disease |
| CS | Cardiogenic shock |
| ESRD | End-stage renal disease |
| HCUP | Healthcare cost and utilization project |
| ICD-9CM | International Classification of Diseases-9 Clinical Modification |
| ICD-10CM | International Classification of Diseases-10 Clinical Modification |
| MCS | Mechanical circulatory support |
| NIS | National/Nationwide Inpatient Sample |
| OR | Odds ratio |
| PCI | Percutaneous coronary intervention |