Table 1 Univariate analysis: clinical factors and imaging finds in the refracture and non-refracture groups
clinical factors and imaging finds | Refracture(n = 48) | Non-refracture(n = 45) | P value |
|---|---|---|---|
Age (years) | 79.65 ± 7.90 | 78.29 ± 7.21 | 0.303 |
Grender | |||
 Men | 8 | 10 |  |
 Women | 40 | 35 | 0.498 |
Fracture location | |||
 Thoracolumbar | 33 | 36 |  |
 Non-thoracolumnar | 15 | 9 | 0.215 |
BMD(g/cm2) | 0.664 ± 0.15 | 0.73 ± 0.16 | 0.686 |
kyphotic angle (o) | 17.56 ± 9.51 | 12.58 ± 9.64 | 0.014 |
Wage angle (o) | 10.88 ± 6.28 | 10.20 ± 5.01 | 0.204 |
IVC | |||
 Present | 18 | 1 |  |
 Absent | 30 | 44 | <0.001 |
Endplate cortical disruption | |||
 Present | 27 | 15 |  |
 Absent | 21 | 30 | 0.026 |
Bone cement volume (ml) | 3.13 ± 0.709 | 3.01 ± 0.663 | 0.440 |
Surgical approach | |||
 Left | 5 | 4 |  |
 Right | 38 | 39 |  |
Bilateral | 5 | 2 | 0.605 |
NEPC | |||
 Present on lower endplate | 14 | 7 |  |
 Present on upper endplate | 7 | 10 |  |
 Present on upper and lower endplate | 26 | 16 |  |
 Absent | 1 | 12 | <0.001 |
Leakage of bone cement | |||
 Present | 13 | 9 |  |
 Absent | 35 | 36 | 0.422 |
other vertebral fractures | |||
 Adjacent vertebral fracture | 8 | 5 |  |
 Non-adjacent vertebral fracture | 21 | 11 |  |
 No | 19 | 29 | 0.134 |
Reduction rate (%) | 11.92 ± 11.18 | 4.44 ± 5.18 | <0.001 |
Reduction angle (°) | 4.02 ± 3.89 | 4.76 ± 6.28 | 0.491 |
Effect anti-osteoporotic therapy | |||
 Yes | 34 | 33 |  |
 No | 14 | 12 | 0.486 |