Garnier classification of vertebral filling and cement leakage.
| Radiological Classification | O-arm Group (n = 62) | Surgivisio Group (n = 61) | P Valuea |
| Cement filling | <0.001 | ||
| Satisfactory (Y3, Z2, Z3) | 78 | 69 | - |
| Acceptable (X2, X3, Y2) | 3 | 3 | - |
| Poor (X1, Y1, Z1) | 0 | 13 | - |
| Cement leakage | 0.09 | ||
| Posterior | 3 | 0 | - |
| Cranial | 2 | 2 | - |
| Anterior | 4 | 3 | - |
| Caudal | 1 | 5 | - |
| Lateral | 6 | 15 | - |
| Need for revision | 1 | 0 | - |
| Total, n (%) | 16 (21) | 25 (29) | - |
↵a Fisher exact test.