Clavien complications from the total patient population.
| Clavien Grades | n | % of Patient Population | % of Clavien Complications |
| Suffered at least 1 complication | 2581 | 65.57% | 100% |
| Grade I | 0 | 0% | 0% |
| Grade II | 1304 | 33.13% | 50.52% |
| Grade III | 139 | 3.50% | 5.39% |
| Grade IV | 1111 | 28.20% | 43.04% |
| Grade V | 27 | 0.70% | 1.05% |