Table 1.
Baseline patient characteristics.
| Characteristic | Median | Range |
|---|---|---|
| Age (y) | 64.5 | 30.8-87.1 |
| GTV volume (cm3) | 54.2 | 0.04-1729.0 |
| Total fractions | 10 | 1-30 |
| Total dose (cGy) | 2750 | 300-3750 |
| Dose/fx (cGy) | 300 | 30-1600 |
| Pain reduction | 5 | -3-10 |
| % Pain reduction | 100 | -300-100 |
| % kV imaging | 0 | 0-100 |
| Frequency | % | |
| Histology | ||
| Prostate | 61 | 23.74 |
| Breast | 68 | 26.46 |
| NSCLC | 59 | 22.96 |
| Small cell lung cancer | 3 | 1.17 |
| Renal | 23 | 8.95 |
| Bladder | 5 | 1.95 |
| Esophagus/Gastric | 4 | 1.56 |
| Melanoma | 9 | 3.5 |
| Colorectal | 8 | 3.11 |
| Sarcoma | 5 | 1.95 |
| Myeloma/Lymphoma | 3 | 1.17 |
| HCC | 1 | 0.39 |
| H&N | 4 | 1.56 |
| Gyn | 2 | 0.78 |
| Gender | ||
| Female | 141 | 54.86 |
| Male | 116 | 45.14 |
| ECOG Performance Status | ||
| 0 | 82 | 38.3 |
| 1 | 69 | 32.2 |
| 2 | 49 | 22.9 |
| 3 | 13 | 6.1 |
| 4 | 1 | 0.5 |
| Post-operative RT | ||
| Yes | 25 | 9.73 |
| No | 232 | 90.27 |
| GTV contoured | ||
| Yes | 131 | 50.97 |
| No | 126 | 49.03 |
| Extension beyond bone | ||
| Yes | 152 | 59.14 |
| No | 105 | 40.86 |
| Disease site | ||
| Spine | 118 | 46.09 |
| Upper extremities | 22 | 8.59 |
| Lower extremities/pelvis | 97 | 37.89 |
| Ribs/chest wall | 18 | 7.03 |