Table 1.
Cases characteristics
| Age | ||
| Median | 60 years | |
| Range | 32-88 years | |
| n | % | |
| Karnofsky performance status | ||
| 30-70% | 40 | 29.6% |
| 80-90% | 95 | 70.3% |
| Histology | ||
| Invasive ductal | 107 | 79.3% |
| Invasive lobular | 28 | 20.7% |
| Receptor status positivity | ||
| ER (N = 34) | 28 | 82.4% |
| PgR (N = 50) | 40 | 80.0% |
| HER2 (N = 135) | 39 | 28.9% |
| Site | ||
| Thoracic | 99 | 73.3% |
| Lumbar | 36 | 26.7% |
| Number of bone metastases | ||
| Solitary | 59 | 43.7% |
| Multiple | 76 | 56.3% |
| Treatment indications | ||
| Pain | 69 | 51.1% |
| Instability | 44 | 32.6% |
| Pathological fracture | ||
| Before RT | 29 | 21.5% |
| After RT | 8 | 5.9% |
| Surgical corset | ||
| During RT | 82 | 60.7% |