| | Stable Group | Unstable Group | P-value |
|---|
| Type I | Type II | Total | Type III | Type IV | Total | |
|---|
| Sample size | 12 | 9 | 21 | 19 | 12 | 31 | – |
| Age (mean ± SD) | 40.2 ± 11.8 | 47.3 ± 9.3 | 43.2 ± 10.9 | 43.7 ± 8.8 | 34.9 ± 9.3 | 40.3 ± 9.7 | 0.327 |
| Gender |
| Male | 6 | 4 | 10 | 15 | 11 | 26 | 0.005* |
| Female | 6 | 5 | 11 | 4 | 1 | 5 |
| AOSpine Classification |
| A3 | 12 | 9 | 21 | 16 | 1 | 17 | < 0.001* |
| A4 | 0 | 0 | 0 | 3 | 11 | 14 |
| Smoking history | 2 | 1 | 3 | 5 | 5 | 10 | 0.004* |
| Location of fracture |
| T11 | 0 | 0 | 0 | 0 | 1 | 1 | 0.193 |
| T12 | 1 | 4 | 5 | 3 | 0 | 3 |
| L1 | 5 | 3 | 8 | 11 | 3 | 14 |
| L2 | 5 | 2 | 7 | 3 | 2 | 5 |
| L3 | 1 | 0 | 1 | 1 | 5 | 6 |
| L4 | 0 | 0 | 0 | 1 | 1 | 2 |
| Load Sharing Classification score |
| Comminution | 1.4 ± 0.7 | 1.7 ± 0.5 | 1.5 ± 0.6 | 2.1 ± 0.5 | 2.8 ± 0.5 | 2.3 ± 0.6 | < 0.001* |
| Fragmental apposition | 1.3 ± 0.7 | 1.2 ± 0.4 | 1.3 ± 0.5 | 1.7 ± 0.7 | 2.6 ± 0.7 | 2.1 ± 0.8 | < 0.001* |
| Deformity correction | 2.1 ± 0.8 | 2.4 ± 0.7 | 2.2 ± 0.7 | 2.5 ± 0.6 | 2.8 ± 0.5 | 2.6 ± 0.5 | 0.047* |
| Total Score | 4.8 ± 1.7 | 5.2 ± 1.2 | 5.0 ± 1.5 | 6.3 ± 1.5 | 8.3 ± 1.1 | 7 ± 1.7 | < 0.001* |
| ASIA impairment scale |
| B | 0 | 0 | 0 | 0 | 1 | 1 | 0.029* |
| C | 0 | 0 | 0 | 2 | 2 | 4 |
| D | 1 | 0 | 1 | 4 | 4 | 8 |
| E | 11 | 9 | 20 | 13 | 5 | 18 |
| Spinal canal decompression |
| YES | 2 | 1 | 3 | 4 | 7 | 11 | 0.091 |
| NO | 10 | 8 | 18 | 15 | 5 | 20 |
- None of the patients had ASIA-A spinal cord impairment
- *A P-value < 0.05 is considered statistically significant between the Stable Group and the Unstable Group
