Baseline characteristics of patients by study group.
| Characteristic | Integrated Spacer and Plate, n (%) | Anterior Spacer and Plate System, n (%) | P |
| n | 43 | 41 | |
| Age in years, mean ± SD | 54.8 ± 8.8 | 58.1 ± 11.5 | 0.337 |
| Sex | 0.521 | ||
| Male | 21 (48.8) | 23 (56.1) | |
| Female | 22 (51.2) | 18 (43.9) | |
| Clinical scores, mean ± SD | |||
| Visual analog scale | 5.6 ± 2.5 | 6.3 ± 2.3 | 0.144 |
| Neck Disability Index | 26.9 ± 8.6 | 27.7 ± 9.1 | 0.733 |
| Clinical presentation frequency | |||
| Neck pain | 42 (97.7) | 39 (95.1) | 0.611 |
| Suboccipital headaches | 16 (37.2) | 8 (19.5) | 0.098 |
| Diagnosis | 0.100 | ||
| Myelopathy | 3 (7.0) | 7 (17.1) | |
| Radiculopathy | 22 (51.2) | 25 (61.0) | |
| Myeloradiculopathy | 18 (41.9) | 9 (22.0) | |
| Clinical comorbidity frequency | |||
| Smoker | 18 (41.9) | 12 (29.3) | 0.261 |
| Diabetes | 7 (16.3) | 14 (34.2) | 0.079 |
| Chronic oral steroid use | 10 (23.3) | 6 (14.6) | 0.408 |
| Osteoporosis/osteopenia | 4 (9.3) | 8 (19.5) | 0.222 |
| Rheumatologic disorder | 9 (20.9) | 9 (22.0) | 1.000 |
Data presented as n (%) unless otherwise indicated.