|
| n (%) | Total |
| 1- level laminectomy | C2: 1 (1.7) | 5 (8.9) |
| C3: 2 (3.5) | ||
| C4: 1 (1.7) | ||
| C6: 1 (1.7) | ||
| 2-level laminectomy | C3-4: 9 (16.1) | 19 (33.9) |
| C4-5: 3 (5.3) | ||
| C5-6: 4 (7.1) | ||
| C6-7: 2 (3.5) | ||
| C3,C7: 1 (1.7) | ||
| 3-level laminectomy | C2-4: 2 (3.6) | 19 (33.9) |
| C3-5: 11 (19.6) | ||
| C4-6: 4 (7.1) | ||
| C5-7: 1 (1.7) | ||
| C2-3, C5: 1 (1.7) | ||
| 4-level laminectomy | C2-5: 1 (1.7) | 7 (12.5) |
| C3-6: 6 (10.7) | ||
| 5-level laminectomy | C2-6: 4 (7.1) | 6 (10.7) |
| C3-7: 2 (3.5) |