| Diagnostic | Staff | Percentage |
| Discal herniation | 12 | 38.7% |
| Discal herniation with Lumbar canal stenosis | 5 | 16.1% |
| Fracture-luxation (cervical spine) | 5 | 16.1% |
| Spondylolisthésis/isthmic Lisis | 4 | 12.9% |
| Lumbar canal stenosis | 3 | 9.7% |
| Lumbar canal stenosis and Cervico-Arthrosic myelopathy | 2 | 6.5% |
| TOTAL | 31 | 100% |