Patient 1 | Hardware failure | 0.5 | Anterior revision + posterior fixation |
Patient 2 | Hardware failure | 4 | Anterior revision + posterior fixation |
Patient 3 | Hardware failure | 5 | Anterior revision + posterior fixation |
Patient 4 | Adjacent segment disease | 48 | C2-C3 anterior cervical discectomy and fusion |
Patient 5 | Adjacent segment disease | 12 | Posterior foraminotomy and fusion |
Patient 6 | Fall leading to C7 fracture | 1 | Posterior fixation |
Patient 7 | Refractory C5 palsy | 1 | Posterior foraminotomy |
Patient 8 | Prevertebral fluid collection | 0.5 | Exploration and washout |