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Levels of spinal involvement and surgical approaches
| Spinal levels | Anterior approach | Posterior approach | Posterior approach with additional anterior support | Total no. of patients |
|---|---|---|---|---|
| Cervical | 8 | 9 | 0 | 17 |
| Cervical+thoracic | 0 | 1 | 0 | 1 |
| Thoracic | 5 | 34 | 7 | 46 |
| Thoracic+lumbar | 0 | 5 | 0 | 5 |
| Lumbar | 2 | 16 | 1 | 19 |
