Table 1.
Baseline date of two groups.
| Parameters | A-PKP | T-PKP | t/χ2 | p |
|---|---|---|---|---|
| Cases | 39 | 43 | ||
| Male/Female | 9/30 | 15/28 | 1.378 | 0.241 |
| Age (years) | 73.3 ± 6.55 | 74.0 ± 5.95 | -0.446 | 0.657 |
| Course of disease (months) | 5.4 ± 2.00 | 5.7 ± 1.79 | -0.730 | 0.468 |
| BMD (T value) | -3.8 ± 0.74 | -3.8 ± 0.63 | 0.343 | 0.732 |
| Stage (I/II) | 17/22 | 24/19 | 1.222 | 0.269 |
| Injured segment | ||||
| T8 (cases) | 0 | 1 | ||
| T9 (cases) | 1 | 3 | ||
| T10 (cases) | 3 | 3 | ||
| T11 (cases) | 1 | 1 | ||
| T12 (cases) | 13 | 14 | ||
| L1 (cases) | 18 | 15 | ||
| L2 (cases) | 2 | 5 | ||
| L3 (cases) | 0 | 1 | ||
| L4 (cases) | 1 | 0 | ||
| Anterior vertebral height (mm) | 14.5 ± 5.23 | 13.9 ± 4.16 | 0.528 | 0.599 |
| Cobb angle (°) | 20.3 ± 7.54 | 20.2 ± 8.12 | 0.080 | 0.936 |
| Anterior cortex defect (Yes/No) | 19/20 | 14/29 | 2.221 | 0.136 |
| Follow-up time (months) | 18.4 ± 2.2 | 18.6 ± 2.7 | -0.358 | 0.721 |