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Cement leakage outside vertebra
| Location | DND group (n = 30) | Non-DND group (n = 214) | P value‡ |
|---|---|---|---|
| Epidural vein—no. (%) | 0 (0) | 3 (1.4) | 0.67 |
| Perivertebral soft tissue—no. (%) | 0 (0) | 11 (5.1) | 0.23 |
| Intravertebral disk space—no. (%) | 3 (10) | 39 (18.2) | 0.49 |
| Lung—no. (%) | 0 (0) | 0 (0) | – |
| Total—no. (%) | 3 (10) | 53 (24.8) | 0.07 |
‡Between both groups, comparisons for occurrence rates of cement leakage were analysed with Fisher’s exact test and Chi-square test
