| ORi | is the operating payment rate, |
| Wj | is the weight for the DRG, and |
| OAi | is the factor describing hospital-specific adjustments to the operating payment rate. |
| ORi | is the operating payment rate, |
| Wj | is the weight for the DRG, and |
| OAi | is the factor describing hospital-specific adjustments to the operating payment rate. |