Table 1 Impact of the potential prognostic factors on functional outcome
Improvementn (%) | No changen (%) | Deterioration n (%) | p | |
|---|---|---|---|---|
Age | ||||
≤65 years (n = 85) | 9 (11) | 53 (62) | 23 (27) | |
>65 years (n = 90) | 12 (13) | 43 (48) | 35 (39) | 0.54 |
Gender | ||||
Female (n = 53) | 8 (15) | 27 (51) | 18 (34) | |
Male (n = 122) | 13 (11) | 69 (57) | 40 (33) | 0.42 |
ECOG performance score | ||||
2 (n = 49) | 10 (20) | 29 (59) | 10 (20) | |
3-4 (n = 126) | 11 (9) | 67 (53) | 48 (38) | 0.25 |
Number of involved vertebrae | ||||
1-2 (n = 55) | 8 (15) | 35 (64) | 12 (22) | |
≥3 (n = 120) | 13 (11) | 61 (51) | 46 (38) | 0.84 |
Ambulatory status prior to RT | ||||
Not Ambulatory (n = 89) | 9 (10) | 46 (52) | 34 (38) | |
Ambulatory (n = 86) | 12 (14) | 50 (58) | 24 (28) | 0.21 |
Other bone metastases | ||||
No (n = 65) | 11 (17) | 39 (60) | 15 (23) | |
Yes (n = 110) | 10 (9) | 57 (52) | 43 (39) | 0.46 |
Visceral metastases | ||||
No (n = 86) | 15 (17) | 34 (40) | 37 (43) | |
Yes (n = 89) | 6 (7) | 62 (70) | 21 (24) | 0.030 |
Time developing motor deficits | ||||
1-7 days (n = 88) | 4 (5) | 38 (43) | 46 (52) | |
>7 days (n = 87) | 17 (20) | 58 (67) | 12 (14) | <0.001 |
Radiation schedule | ||||
Short-course RT (n = 90) | 7 (8) | 60 (67) | 23 (26) | |
Longer-course RT (n = 85) | 14 (16) | 36 (42) | 35 (41) | 0.86 |
Entire cohort (n = 175) | 21 (12) | 96 (55) | 58 (33) | |