Table 2 Test group: Multivariate analysis of pre-treatment factors and the radiation regimen for survival
Risk ratio | 95%-confidence interval | p-value | |
|---|---|---|---|
ECOG Performance status | 1.98 | 1.36 – 2.91 | <0.001 |
Number of involved vertebrae | 1.17 | 0.89 – 1.56 | 0.27 |
Ambulatory status before radiotherapy | 1.65 | 1.05 – 2.63 | 0.029 |
Other bone metastases | 1.16 | 0.63 – 2.10 | 0.63 |
Visceral metastases | 2.44 | 1.66 – 3.68 | <0.001 |
Time developing motor deficits | 1.33 | 1.12 – 1.57 | 0.001 |