Comparative analysis of clinical and radiological outcomes between patients surgically treated with Aleutian and Coalition cervical cages.
| Characteristic | Aleutian | Coalition | P |
| Age, y, mean (SD) | 52.7 (10.6) | 53.4 (10.9) | 0.56 |
| Gender, women, % | 65.7% | 44.4% | 0.06 |
| Cervical levels, multilevel, n (%) | 18 (51.4) | 19 (42.2) | 0.5 |
| Smokers, % | 37.1% | 37.5% | 0.9 |
| Osteoporosis, % | 22.5% | 14.1% | 0.06 |
| Surgical complications, % | 2.8% | 2% | 0.8 |
| Follow time, mo, mean (SD) | 23.8 (19) | 11.5 (7.3) | < 0.0001 |
| Neck Disability Index, mean (SD) | |||
| Preoperative | 39.2 (10.4) | 40.9 (15) | 0.5 |
| Postoperative | 23.4 (13.4) | 30.5 (18.3) | 0.05 |
| Last evaluation | 27.2 (15.5) | 31 (18.7) | 0.3 |
| Cervical VAS, mean (SD) | |||
| Preoperative | 6.9 (2.2) | 7.2 (2.1) | 0.5 |
| Postoperative | 3.5 (2.2) | 4.8 (2.5) | 0.02 |
| Last evaluation | 4.1 (2.3) | 4.9 (2.8) | 0.2 |
| Radicular EVA, mean (SD) | |||
| Preoperative | 7.4 (2.2) | 7.2 (2) | 0.7 |
| Postoperative | 3.4 (2.2) | 4.2 (2.5) | 0.1 |
| Last evaluation | 4 (2.4) | 4.5 (3) | 0.4 |
| Japanese Orthopedic Association Scale, mean (SD) | |||
| Preoperative | 15.7 (0.9) | 15.6 (1.7) | 0.7 |
| Postoperative | 17.2 (1) | 16.8 (1.6) | 0.2 |
| Last evaluation | 17 (0.9) | 16.8 (1.5) | 0.5 |
| Fusion rate, % | 91.4% | 80% | 0.15 |
| Subsidence rate, % | 45.7% | 22.2% | 0.02 |
| Adjacent segment rate, % | 8.5% | 4.4% | 0.4 |
| Required new surgery, n (%) | 4 (11.4%) | 2 (4.4%) | 0.2 |