Table 3.
Independent predictors of long-term mortality
| Risk factor | Hazard ratio | 95% confidence intervals | P value |
|---|---|---|---|
| Age > 65 years | 1.6 | 1.1–2.3 | 0.02 |
| Diabetes mellitus | 1.5 | 1.1–2.0 | 0.02 |
| Preoperative dialysis | 2.5 | 1.2–4.9 | 0.01 |
| Reduced LVEF | 1.6 | 1.1–2.5 | 0.005 |
| Reoperation | 2.0 | 1.2–3.2 | 0.005 |
| STS PROM* | |||
|
B C D E |
3.3 3.4 4.3 6.3 |
1.7–6.3 1.7–7.4 2.2–8.7 3.1–12.6 |
< 0.001 < 0.001 < 0.001 < 0.001 |
STS PROM—Society of Thoracic Surgeons Predicted Risk of Mortality; LVEF—Left ventricular ejection fraction; *—Hazard ratio compared to group A (STS PROM = 0—0.99%)