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Surgical Level and Number of Resected Vertebrae.
| No. of resected vertebrae | CT | T | TL | L | Total |
|---|---|---|---|---|---|
| 1" | 3 | 10 (1) | 5 | 3 (1) | 21 (2) |
| 2 | 0 | 1 | 2 | 1 | 4 |
| 2" | 0 | 4 | 4 (3) | 2 (2) | 10 (5) |
| 3 | 2 | 1 | 3 | 1 | 7 |
| 3" | 2 | 1 | 2 (1) | 0 | 5 (1) |
| Total | 7 | 17 (1) | 16 (4) | 7 (3) | 47 (8) |
| % of instrumentation failure | 0% | 5.9% | 25.0% | 42.9% | 17.0% |
": Resection coupled with part of the adjacent vertebra
( ): No. of instrumentation failure
CT: cervicothoracic, T: thoracic, TL: thoracolumbar, L: lumbar
