| Risk factor | Points |
| Third heart sound or jugular venous distension |
11 |
| MI in the preceeding 6 months |
10 |
| Rhythm other than sinus ± premature atrial ectopic contractions |
7 |
| More than 5 VE per minute |
7 |
| Age > 70 |
5 |
| Emergency operation |
4 |
| Abdominal, thoracic or aortic operation |
3 |
Poor condition as defined by:
- PaO2 < 8 kPa
- PaCO2 > 6.5 kPa
- K+ < 3.0 mmol/l
- HCO3- < 20 mmol/l
- Urea > 7.5 mmol/l
- Creatinine > 270 µmol/l
- Abnormal SGOT
- Chronic liver disease
|
3 |
|
| Total |
Mortality (%) |
| 0 - 5 |
0.3 - 3 |
| 6 - 12 |
1 - 10 |
| 13 - 25 |
3 - 30 |
| 26 - 53 |
19 - 75 |