| Surgical approach (number of cases) | Mild injury | Number of cases (%)SLIC score | Moderate injury | Number of SLIC score cases (%) | Mild injury | Number of SLIC score cases (%) |
| Anterior surgery (32) | 12 (37.5) | 4 - 7 (5.26 ± 1.24) | 16 (50.0) | 4 - 7 (5.86 ± 1.67) | 4 (12.5) | 8 - 9 (8.25 ± 0.21) |
| Posterior Surgery (22) | 2 (9.1) | 4 - 7 (5.57 ± 1.43)† | 14 (63.6) | 4 - 7 (5.99 ± 1.85)† | 6 (27.3) | 8 - 10 (9.00 ± 0.25)†† |
| Anterior and posterior Surgery (21) | 0 |
| 5 (23.8) | 4 - 7 (5.98 ± 0.33)* | 16 (76.2) | 8 - 10 (9.44 ± 0.34)** |