Table 1.
Baseline data of the two groups
| Parameters | Blocky group | Spongy group | t/χ2 | P |
|---|---|---|---|---|
| Cases | 30 | 33 | ||
| Gender | 0.057 | 0.811 | ||
| Male (cases) | 9 | 9 | ||
| Female (cases) | 21 | 24 | ||
| Age (years) | 76.7 ± 5.60 | 73.1 ± 6.79 | 19.587 | 0.000 |
| Course of disease (months) | 5.2 ± 2.34 | 3.2 ± 1.35 | 7.834 | 0.000 |
| Injured vertebral segment | 1.271 | 0.736 | ||
| T11(cases) | 5 | 6 | ||
| T12(cases) | 10 | 13 | ||
| L1(cases) | 12 | 9 | ||
| L2(cases) | 3 | 5 | ||
| BMD (T value) | − 4.1 ± 0.91 | − 3.9 ± 0.69 | 2.208 | 0.028 |
| Anterior vertebral height (mm) | 11.0 ± 4.19 | 11.7 ± 3.80 | − 2.292 | 0.022 |
| Cobb angle (°) | 13.2 ± 4.78 | 12.5 ± 4.08 | 2.199 | 0.028 |
| Vertebral compression rate(%) | 35.4 ± 8.99 | 34.2 ± 8.84 | 2.953 | 0.003 |