Research Article
A Nomogram for Predicting the Residual Back Pain after Percutaneous Vertebroplasty for Osteoporotic Vertebral Compression Fractures
Table 4
Comparisons of postoperative radiological parameters between patients between group N and group R.
| | Parameter | Group N (n = 231) | Group R (n = 37) | t/χ2 | value |
| | Bone cement volume (mL) | 4.11 ± 1.13 | 3.89 ± 1.01 | 1.087 | 0.278 | | Bone cement distribution | | Blocky | 75 (32.5%) | 21 (56.8%) | 8.184 | 0.004 | | Spongy | 156 (67.5%) | 16 (43.2%) | | | | Bone cement leakage | | No (cases) | 192 (83.1%) | 29 (78.4%) | 0.495 | 0.482 | | Yes (cases) | 39 (16.9%) | 8 (21.6%) | | | | AVHRR (%) | 8.07 ± 2.68 | 7.58 ± 2.30 | 1.051 | 0.294 | | Cobb angle change (°) | 6.15 ± 4.25 | 5.83 ± 3.16 | 0.547 | 0.586 |
|
|
