Table 1.
Demographic features. BMI: Body Mass Index; KPS: Karnofsky Performance Score; F: female; M: male; OPF: open posterior fusion; PO: percutaneous osteosynthesis; SINS: spine instability neoplastic score; * OPF vs. PO.
| Demographics | Group OPF | Group PO | Total | p Value * |
|---|---|---|---|---|
| n° of patients | 58 | 40 | 98 | |
| Age | 68.7 (±13.5) | 67.7 (±14.1) | 68.3 (±13.8) | 0.877 |
| Sex ratio (M/F) | 23:35 | 16:24 | 39:59 | |
| BMI | 27.6 (±3.2) | 26.9 (±2.9) | 27.2 (±3.1) | 0.862 |
| KPS | 59.7 (±7.1) | 58.5 (±9.1) | 59.3 (±8.2) | 0.654 |
| SINS | ||||
| Between 7 and 12 | 35 (60.3%) | 25 (62.5%) | 60 (58.8%) | 0.873 |
| Between 13 and 18 | 23 (39.6%) | 15 (37.5%) | 38 (41.2%) | 0.766 |
| 2 o comorbidities | 34 (58.6%) | 29 (72.5%) | 64 (62.7%) | 0.834 |
| Type cancer | ||||
| Lung | 23 (39.6%) | 17 (42.5%) | 40 (39.2%) | 0.634 |
| Breast | 7 (12%) | 6 (15%) | 13 (12.7%) | 0.787 |
| Prostate | 3 (5.2%) | 4 (10%) | 7 (6.9%) | 0.689 |
| Kidney | 7 (12%) | 6 (15%) | 13 (12.7%) | 0.801 |
| Ovary | 6 (10.1%) | 4 (10%) | 10 (9.8%) | 0.742 |
| Thyroid | 5 (8.6%) | 1 (2.5%) | 6 (5.9%) | 0.037 |
| Other | 7 (12%) | 2 (5%) | 9 (8.8%) | 0.692 |
| Type of metastasis | ||||
| Osteolytic | 39 (67.1%) | 28 (70%) | 67 (65.7%) | 0.894 |
| Osteosclerotic | 16 (27.5%) | 8 (20%) | 32 (31.4%) | 0.761 |
| Mixed | 3 (5.2%) | 4 (10%) | 7 (6.9%) | 0.882 |