| APR-DRG | All Patient Refined Diagnosis-Related Group |
| AKI | Acute Kidney Injury |
| CAD | Coronary Artery Disease |
| CHF | Congestive Heart Failure |
| CKD | Chronic Kidney Disease |
| ICD-10 | International Classification of Diseases, 10th Revision |
| LOS | Length of Stay |
| MATLAB | Matrix Laboratory |
| MI | Myocardial Infarction |
| NIS | National Inpatient Sample |
| OA | Osteoarthritis |
| OR | Odds Ratio |
| PE | Pulmonary Embolism |
| SPSS | Statistical Package for the Social Sciences |
| THA | Total Hip Arthroplasty |
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