Table VII.
Characteristics at initial diagnosis of metastasis in patients with hormone receptor-positive/human epidermal growth factor receptor 2-negative bone-only metastasis.
| Characteristic | Chemotherapy, n (%) | Endocrine therapy, n (%) | Sequential therapy, n (%) |
|---|---|---|---|
| Total patients | 36 (25) | 33 (22.9) | 75 (52.1) |
| Age at metastasis diagnosis, years | |||
| <35 | 3 (8.3) | 6 (18.2) | 0 (0.0) |
| 35-60 | 25 (69.4) | 25 (75.6) | 60 (80.0) |
| ≥60 | 8 (22.2) | 2 (6.1) | 15 (20.0) |
| Location of bone metastasis | |||
| Axial | 0 (0.0) | 2 (5.7) | 2 (3.4) |
| Appendicular | 29 (80.9) | 25 (80.0) | 59 (79.3) |
| Axial and appendicular | 7 (19.1) | 6 (14.3) | 14 (17.2) |
| Number of bone metastases | |||
| Single | 8 (22.2) | 21 (63.6) | 12 (16.0) |
| Multiple | 28 (77.8) | 12 (36.4) | 63 (84.0) |