| |
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)
| |
- The p-values were obtained from the multivariate analysis performed with the ordered-logit model.
