| n˚ Patients | Clinical Appearance | |
| Grade B1 | 182(56,68%) | Mild |
| Grade C2 | 78(32%) | Moderate/Severe |
| Grade D3 | 61(17,99%) | Severe |
| Grade E4 | 18(5,30%) | Early Severe |
| Pancreatic Necrosis | n˚ Patients | |
| 0 | None | 249(73,45%) |
| 2 | Less-equal to 30% | 71(20,94%) |
| 4 | 30/50% | 19(5,60%) |
| 6 | Plus than 50% | ….. |