Table 1.
Demographics and patient characteristics
| Patient characteristics | Number of patients (n = 133) |
|---|---|
| Age (yr) | 59.1 ± 11.5 |
| Weight (kg) | 57.5 ± 12.9 |
| Height (cm) | 161.2 ± 7.8 |
| Sex, M/F | 59/74 (44.4/55.6) |
| Primary cancer site | |
| Lung | 35 (26.3) |
| Breast | 33 (24.8) |
| Prostate | 11 (8.3) |
| Head and neck | 11 (8.3) |
| Liver | 10 (7.5) |
| Others | 33 (24.8) |
| Extraosseous metastasis | 97 (72.9) |
| Lung | 63 (47.4) |
| Liver | 35 (26.3) |
| Brain | 10 (7.5) |
| Others | 59 (44.4) |
| Number of regions of bone metastasis | |
| 1 | 18 (13.5) |
| 2 | 29 (21.8) |
| ≥ 3 | 86 (64.7) |
| Dominant site of bone pain | |
| Pelvis | 44 (33.1) |
| Spine | 35 (26.3) |
| Chest wall | 35 (26.3) |
| Extremities | 16 (12.0) |
| Skull | 3 (2.3) |
| Time from diagnosis of cancer to evaluation (mo) | 20.3 (5.7, 53.7) |
| Time from diagnosis of bone metastasis to evaluation (mo) | 2.7 (0.8, 10.2) |
| Karnofsky Performance Status (KPS) score | |
| 80–100 | 60 (45.1) |
| 60–70 | 56 (42.1) |
| ≤ 50 | 17 (12.8) |
Values are presented as mean ± standard deviation, number (%), or median (P25, P75).
P25: percentile 25, P75: percentile 75.