Table 2 Comparison of surgery related factors between the non-refracture group and refracture group
Non-refracture (n = 289) | Refracture (n = 43) | P value | |
|---|---|---|---|
Surgical method, n (%) | 0.816 | ||
PKP | 200 (69.2%) | 29 (67.4%) | |
PVP | 89 (30.8%) | 14 (32.6%) | |
Dosage of bone cement, n (%) | 0.084 | ||
< 4 ml | 14 (4.8%) | 1 (2.3%) | |
4–6 ml | 202 (69.9%) | 26 (60.5%) | |
>6 ml | 73 (25.3%) | 16 (37.2%) | |
Shape of bone cement, n (%) | < 0.001 | ||
“O” shape | 91 (31.5%) | 30 (69.8%) | |
“H” shape | 198 (68.5%) | 13 (30.2%) | |
Dispersion distribution grade of bone cement, n (%) | 0.576 | ||
Grade 1 | 8 (2.8%) | 1 (2.3%) | |
Grade 2 | 35 (12.1%) | 4 (9.3%) | |
Grade 3 | 246 (85.1%) | 38 (88.4%) | |
Leakage of bone cement, n (%) | <0.001 | ||
Yes | 51 (17.6%) | 27 (62.8%) | |
No | 238 (82.4%) | 16 (37.2%) | |
AVH restoration, (cm) | 0.21 (0.13–0.31) | 0.20 (0.10–0.30) | 0.536 |
Kyphotic angle restoration, (°) | 5.90 (4.60–7.20) | 5.90 (4.70–7.50) | 0.557 |
Cobb angle restoration, (°) | 4.50 (3.60–6.00) | 4.70 (3.50–6.20) | 0.655 |