Table 3 Univariate analysis of survival
At 6 months (%) | At 12 months (%) | p | |
|---|---|---|---|
Age | |||
≤65 years (n = 85) | 32 | 8 | |
>65 years (n = 90) | 19 | 12 | 0.048 |
Gender | |||
Female (n = 53) | 26 | 13 | |
Male (n = 122) | 25 | 8 | 0.38 |
ECOG performance score | |||
2 (n = 49) | 53 | 24 | |
3-4 (n = 126) | 14 | 4 | <0.001 |
Number of involved vertebrae | |||
1-2 (n = 55) | 33 | 9 | |
≥3 (n = 120) | 22 | 10 | 0.13 |
Ambulatory status prior to RT | |||
Not Ambulatory (n = 89) | 15 | 3 | |
Ambulatory (n = 86) | 36 | 17 | <0.001 |
Other bone metastases | |||
No (n = 65) | 38 | 15 | |
Yes (n = 110) | 17 | 7 | 0.005 |
Visceral metastases | |||
No (n = 86) | 45 | 16 | |
Yes (n = 89) | 6 | 3 | <0.001 |
Time developing motor deficits | |||
1-7 days (n = 88) | 10 | 1 | |
>7 days (n = 87) | 40 | 18 | <0.001 |
Radiation schedule | |||
Short-course RT (n = 90) | 21 | 11 | |
Longer-course RT (n = 85) | 29 | 8 | 0.19 |
Entire cohort (n = 175) | 25 | 9 |