Demographic and peri-interventional data of the patient cohort
| Demographics | Data |
|---|---|
| No. of patients | 133 |
| Women | 77 |
| Men | 56 |
| Mean age (yr) | 69.18 ± 11.45 (range, 22–90) |
| ASA Score | |
| ASA 1 | 3 (2.3%) |
| ASA 2 | 31 (23.3%) |
| ASA 3 | 68 (51.1%) |
| ASA 4 | 31 (23.3%) |
| No. of vertebrae treated | 162 |
| 1 VB per session | 113 |
| 2 VBs per session | 11 |
| 3 VBs per session | 9 |
| Time of intervention (mean min) | 64.2 ± 25.6 |
| 1 VB treated per session | 57.9 ± 24.2 |
| 2 VBs treated per session | 65.6 ± 28.8 |
| 3 VBs treated per session | 70.0 ± 24.9 |
| Amount of piritramid (mg) (mean total) | 11.8 ± 3,98 |
| 1 VB | 11.41 ± 4.29 |
| 2 VBs | 12.6 ± 3.0 |
| 3 VBs | 13.11 ± 3.4 |
| Amount of midazolam (mg) (mean total) | 11.3 ± 4.38 |
| 1 VB | 10.8 ± 4.4 |
| 2 VBs | 11.9 ± 3.8 |
| 3 VBs | 14.0 ± 3.9 |
| Etiology of vertebral fracture | |
| Osteoporosis | 86 (64.7%) |
| Metastasis of unknown primary | 6 (4.5%) |
| Metastasis of known primary | 22 (16.5%) |
| Plasmocytoma | 15 (11.3%) |
| Lymphoma | 4 (3%) |