Score | Mortality obtained | Expected mortality | P-value |
Rotterdam 1 | 5.6% | 0% | 0.0003 |
Rotterdam 2 | 20% | 7% | 0.429 |
Rotterdam 3 | 56.5% | 16% | 0.00006 |
Rotterdam 4 | 83.3% | 26% | 0.004 |
Rotterdam 5 | 100% | 53% | - |