Table 3.
Points assigned to each risk factor
| Risk Factor | Points |
|---|---|
| Age (yrs) | |
| ≤ 50 | 0 |
| 51–59 | 1 |
| 60–69 | 3 |
| 70–79 | 5 |
| 80+ | 7 |
| Body mass index (kg/m2) | |
| <18.5 | 2 |
| 18.5 – 24.99 | 1 |
| 25.0 – 39.99 | 0 |
| ≥40 | 1 |
| Ejection Fraction | |
| <30% | 2 |
| 30 – 39% | 1 |
| ≥40% | 0 |
| Hemodynamically unstable or shock | 2 |
| Left main coronary artery disease | 1 |
| Cerebrovascular disease | 1 |
| Peripheral arterial disease | 1 |
| Congestive heart failure | 1 |
| Malignant ventricular arrhythmia | 1 |
| Chronic obstructive pulmonary disease | 1 |
| Diabetes | 2 |
| Renal failure | |
| Requiring dialysis | 6 |
| Creatinine >2.5 mg/dl (220 µmol/liter) | 3 |
| No renal failure | 0 |
| Previous Open Heart Operations | 1 |
Possible range of point total is 0 – 28.