Table 1.
Demographics of stereotactic body radiation therapy (SBRT) non-spine bone metastases
| Variable | No. |
|---|---|
| Sex | (n = 74) |
| Male | 26 |
| Female | 48 |
| Median age at SBRT treatment | 60 (18–87 range) |
| Histology | (n = 74) |
| Breast | 6 |
| Prostate | 23 |
| Colon | 3 |
| Lung | 3 |
| Cervix | 1 |
| Endometrial | 1 |
| Head and neck | 5 |
| Melanoma | 6 |
| Sarcoma | 12 |
| Renal cell carcinoma | 5 |
| Paraganglioma | 1 |
| Thyroid | 2 |
| Carcinoid | 1 |
| Hepatocellular cancer | 1 |
| Endocrine | 1 |
| Testis | 1 |
| Bladder cancer | 1 |
| Unknown primary | 1 |
| Site treated | (n = 85) |
| Acetabulum | 3 |
| Chest wall | 1 |
| Clavicle | 1 |
| Coccyx | 2 |
| Femur | 2 |
| Ilium | 18 |
| Ischium | 7 |
| Mandible | 1 |
| Pelvis | 8 |
| Radial head | 1 |
| Rib | 10 |
| Sacrum | 23 |
| Scapula | 3 |
| Shoulder | 1 |
| Sphenoid sinus | 1 |
| Sternum | 2 |
| Trochanter | 1 |
| Number of metastases at simulation | (n = 85) |
| 1 | 36 |
| 2 | 7 |
| 3 | 11 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| >10 | 25 |
| Prescription dose (per fraction, #) | (n = 85) |
| 15 Gy/1# | 1 |
| 16 Gy/1# | 3 |
| 18 Gy/1# | 15 |
| 20 Gy/1# | 4 |
| 21 Gy/1# | 3 |
| 21 Gy/3# | 1 |
| 22 Gy/1# | 1 |
| 24 Gy/1# | 16 |
| 24 Gy/3# | 8 |
| 27 Gy/3# | 1 |
| 30 Gy/3# | 10 |
| 30 Gy/5# | 1 |
| 35 Gy/5# | 1 |
| 36 Gy/3# | 2 |
| 40 Gy/5# | 8 |
| 45 Gy/5# | 2 |
| 50 Gy/5# | 8 |