| Recompression group | Non-compression group | T/x2 value | P value |
---|---|---|---|---|
Age | 74.78 ± 11.76 | 75.05 ± 11.38 | −0.176 | 0.860 |
Gender | Â | Â | 0.245 | 0.621 |
 Male | 23 | 44 |  |  |
 Female | 59 | 131 |  |  |
BMI | 22.13 ± 4.94 | 22.35 ± 6.03 | −0.290 | 0.772 |
BMD | −2.46 ± 0.68 | −1.88 ± 0.72 | −6.091 | 0.000* |
Vertebral distribution | Â | Â | 2.589 | 0.274 |
 Thoracic region | 22 | 32 |  |  |
 Thoracolumbar region | 50 | 116 |  |  |
 Lumbar region | 10 | 27 |  |  |
IVC | Â | Â | 25.826 | 0.000* |
 Yes | 49 | 47 |  |  |
 No | 33 | 128 |  |  |
Surgical methods | Â | Â | 18.499 | 0.000* |
 PKP | 70 | 102 |  |  |
 PVP | 12 | 73 |  |  |
Unilateral or bilateral puncture | Â | Â | 2.620 | 0.106 |
 Unilateral | 44 | 75 |  |  |
 Bilateral | 38 | 100 |  |  |
Leakage of bone cement | Â | Â | 0.018 | 0.892 |
 Yes | 34 | 71 |  |  |
 No | 48 | 104 |  |  |
The bone cement was in contact with the upper or lower endplates | Â | Â | 17.731 | 0.000* |
 Yes | 53 | 64 |  |  |
 No | 29 | 111 |  |  |
Volume of bone cement injected (ml) | 3.34 ± 1.26 | 4.55 ± 1.41 | −6.951 | 0.000* |
Distribution of bone cement | Â | Â | 1.725 | 0.189 |
 Type H | 38 | 66 |  |  |
 Type O | 44 | 109 |  |  |
Recovery of anterior column height (%) | 13.62 ± 8.76 | 16.42 ± 11.18 | −2.002 | 0.046* |