Table 2.
Comparative analysis between union group and non-union group.
| Union (N = 22) | Non-Union (N = 3) | P value | |
|---|---|---|---|
| Mean age in years | 65.1 ± 17.5 | 85.7 ± 6.0 | <0.05 |
| Sex (male/Female) | 8/14 | 0/3 | n.s. |
| Mean follow-up days | 325.8 ± 306.6 | 252.3 ± 86.3 | n.s. |
| External immobilization (Hard collar/Halo vest) | 17/5 | 3/0 | n.s. |
| Coronal tilt (°) | 2.9 ± 3.2 | 9.9 ± 0.8 | <0.01 |
| Sagittal tilt (°) | 8.6 ± 9.4 | 11.8 ± 4.0 | n.s. |
| Sagittal gap (mm) | 1.2 ± 1.3 | 2.2 ± 2.6 | n.s. |
| Lateral mass gap (mm) | 1.0 ± 0.9 | 3.9 ± 3.0 | <0.05 |
Values are shown as the mean ± standard deviation.
n.s. = not significant.