Comparison of the predicted risk of death at 6 months and actual observed occurrence of death at 6 months
| Risk group | Number of subjects | Predicted deaths in 6 months | Observed deaths at 6 months |
| ≤25% | 23 | 13.8% | 17.4% |
| 26%–60% | 25 | 37.9% | 32.0% |
| >60% | 26 | 83.6% | 80.8% |