| Index | Checkpoint | Mean | Min | Max |
|---|---|---|---|---|
| Cobb angle | Pre-op | 17.5 | 9 | 30 |
| Post-op | 3 | 0 | 8 | |
| Follow-up | 6 | 0 | 10 | |
| Kyphotic deformation of the vertebral body | Pre-op | 9.5 | -3 | 21 |
| Post-op | -8 | -18 | +2 | |
| Follow-up | 40 | -10 | 190 | |
| Vertebral height (Beck Index) | Pre-op | 0.60 | 0.40 | 0.82 |
| Post-op | 0.94 | 0.65 | 1.00 | |
| Follow-up | 0.92 | 0.70 | 1.00 |