| Variable | Estimated regression coefficient | Pvalue |
| Intercept | 2.906 | <0.0001 |
| HES/100 | 0.022 | 0.0718 |
| Alb (use: 1, no use: 0) | 0.380 | 0.0017 |
| Surgery: esophagectomy/aortic stent grafting | 1.236* | <0.0001 |
| Surgery: pancreatoduodenectomy | 1.236* | <0.0001 |
| Multiple correlation coefficient: | 0.750 |
|
| Adjusted R2 | 0.553 |
|