The PACCN score
| Risk factor | Score3-150 |
|---|---|
| Age (years) | |
| < 65 | 0 |
| 65–74 | 2 |
| ⩾ 75 | 3 |
| Sex | |
| Male | 0 |
| Female | 1 |
| Left ventricular ejection fraction | |
| > 50% | 0 |
| 35–50% | 1 |
| 20–34% | 2 |
| < 20% | |
| Type of surgery | |
| CABG only | 0 |
| Single valve | 2 |
| Complex | 3 |
| Urgency of surgery | |
| Elective | 0 |
| Urgent | 1 |
| Emergency | 4 |
| Repeat operation | |
| No | 0 |
| Yes | 2 |
| Range of scores | 0 to 16 |
↵3-150 PACCN score.9