| Complications | Number of patients | Incidence |
| Temporary hoarseness | 18 | 64.2% |
| Temp or ar y dysphagia | 14 | 50% |
| Graft displacement | 4 | 14.2% |
| Failure of fusion | 4 levels in 4 patients | 0.03% (as 112 levels) |
| Cerebrospinalfluid | 1 | 0.03% |
| Epidural hematoma | 0 | 0% |
| C5 palsy | 0 | 0% |
| Infection | 0 | 0% |