| RWD | Real-World Data |
| CDSS(s) | Computerized Clinical Decision-Making Support System(s) |
| ML | Machine Learning |
| IRLOS | Inpatient Rehabilitation Length Of Stay |
| FADL | Function in the Activities of Daily Living |
| DD | Discharge Destination |
| ICD-9-CM | International Classification of Diseases—Ninth Revision—Clinical Modification |
| DT | Decision Tree |
| SVR | Support Vector Regression |
| RF | Random Forest Regression |
| XGB | eXtreme Gradient Boosting |
| LiR | Linear Regression |
| LoR | Logistic Regression |
| ROC AUC | Receiver Operating Characteristics Area Under the Curve |
| AES | Absolute Error Score |
| MAE | Mean Absolute Error |
| RMSE | Root Mean Square Error |
| PPV | Positive Predictive Value |
| NPV | Negative Predictive Value |