Table 1 Demographic data
Item | NPCE | PCE | t/χ2 | p-value |
|---|---|---|---|---|
Case number | 1748 | 34 | ||
Age (years) | 71.51±7.11 | 71.73±7.60 | 0.1782 | 0.859 |
Gender | 0.0545 | 0.815 | ||
Male | 703 | 13 | ||
Female | 1045 | 21 | ||
BMD (T-score) | −3.24±0.51 | −3.25±0.54 | 0.1096 | 0.912 |
Cement volume (ml) | 6.31±0.56 | 6.56±0.82 | 2.6401 | 0.068 |
Involved vertebrae | 9.5355 | 0.008 | ||
One level | 936 | 13 | ||
Two levels | 569 | 10 | ||
Three levels and more | 243 | 11 | ||
Fracture location | 21.00 | 0.000 | ||
Thoracic (T5–T9) | 427 | 20 | ||
Thoracolumbar (T10–L2) | 1075 | 13 | ||
Lumbar (L3–L5) | 246 | 1 | ||
Operation timing | 16.3292 | 0.000 | ||
Fracture time ≤ 2 weeks | 732 | 26 | ||
Fracture time > 2 weeks | 1016 | 8 | ||
Operation method | 15.3862 | 0.000 | ||
PVP | 846 | 28 | ||
PKP | 902 | 6 |