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Two types of clinical characteristics.
| Characteristics | Leakage group | Nonleakage group | Statistic | p |
|---|---|---|---|---|
| Vertebral height (mm) | 11.8 ± 4.1 | 16.4 ± 4.2 | t = 2.0 | 0.05 |
| Cobb angle | 24.0 ± 6.5 | 22.8 ± 4.5 | t = 0.6 | 0.59 |
| Cement volume | 5.3 ± 1.8 | 4.2 ± 1.7 | t = 2.5 | 0.02 |
| Acute fracture | 9 | 79 | X 2 = 0.08 | 0.78 |
| Subacute fracture | 8 | 76 | ||
| Vertebral incompetence | 12 | 23 | X 2 = 21.9 | <0.001 |
| Vertebral competence | 6 | 131 | ||
| Thoracic vertebra | 12 | 82 | X 2 = 0.24 | 0.63 |
| Lumbar vertebrae | 7 | 71 |
