Table 1.
Factors associated with increased 2-year mortality following carotid revascularization and the points each factor is given in calculating the CARAT risk score
| Patient characteristic | Points |
|---|---|
| 1. Age (in years) | |
| <70 | 0 |
| 70-79 | 2 |
| ≥80 | 4 |
| 2. Insulin-requiring diabetes | 2 |
| 3. CHF; Asymptomatic | 2 |
| CHF; Symptomatic | 4 |
| 4. COPD; Mild/moderate | 2 |
| COPD; Oxygen dependent | 4 |
| 5. Smoker; Past history or current | 1 |
| 6. Renal function; eGFR < 60 | 3 |
| Dialysis dependent | 4 |
| 7. Contralateral ICA stenosis | |
| <50% | 0 |
| 50-79% | 1 |
| 80-99% | 1.5 |
| Occluded | 3 |
| 8. Not on statin | 1 |