Table 1 Patient characteristics
Corset group | No corset group | All | |||||
|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | ||
Age (mean, SD) | 63.2 (+/− 11.4) | 62.2 (+/−10.8) | 62.7 (+/−11.1) | ||||
Gender | male | 236 | 53.4 | 253 | 53.5 | 489 | 53.4 |
female | 206 | 46.6 | 220 | 46.5 | 426 | 46.6 | |
KPS | <=70 | 204 | 46.2 | 218 | 46.1 | 422 | 46.1 |
>70 | 238 | 53.8 | 255 | 53.9 | 493 | 53.9 | |
Primary site | NSCLC | 101 | 22.9 | 206 | 43.5 | 425 | 46.5 |
Breast | 219 | 49.6 | 74 | 15.6 | 175 | 19.1 | |
Kidney | 71 | 16.1 | 88 | 18.6 | 159 | 17.4 | |
Melanoma | 15 | 3.4 | 26 | 5.5 | 41 | 4.5 | |
Prostate | 4 | 0.9 | 13 | 2.8 | 17 | 1.9 | |
Other | 51 | 11.5 | 105 | 22.2 | 98 | 10.6 | |
Localization | Thoracic | 284 | 64.3 | 279 | 59.0 | 563 | 61.5 |
Lumbar | 158 | 35.7 | 194 | 41.0 | 352 | 38.5 | |
Chemotherapy | yes | 242 | 54.7 | 260 | 55.1 | 502 | 54.9 |
no | 200 | 45.3 | 212 | 44.9 | 412 | 45.1 | |
Stability before RT | stable | 140 | 31.7 | 320 | 67.7 | 460 | 50.3 |
unstable | 302 | 68.3 | 153 | 32.3 | 455 | 49.7 | |
Stability after 3 months | stable | 152 | 39.8 | 279 | 79.0 | 449 | 59.2 |
unstable | 230 | 60.2 | 79 | 21.0 | 309 | 40.8 | |
Stability after 6 months | stable | 165 | 45.1 | 311 | 85.2 | 476 | 65.1 |
unstable | 201 | 54.9 | 54 | 14.8 | 255 | 34.9 | |
Bisphosphonates | yes | 351 | 79.4 | 296 | 62.6 | 647 | 70.7 |
no | 91 | 20.6 | 177 | 37.4 | 268 | 29.3 | |
Distant metastases | Brain | 50 | 11.3 | 77 | 16.3 | 127 | 13.9 |
Lung | 74 | 16.7 | 118 | 25.0 | 192 | 21.0 | |
Liver | 70 | 15.8 | 116 | 24.5 | 186 | 20.3 | |
Skin | 11 | 2.5 | 25 | 5.3 | 36 | 3.9 | |
Number of metastases | solitary | 189 | 42.8 | 228 | 48.2 | 417 | 45.6 |
multiple | 253 | 57.2 | 245 | 51.8 | 498 | 54.4 | |