Table 1 Distribution of characteristics in patients with poor survival prognoses
8 Gy × 1 N patients (%) | 4 Gy × 5 N patients (%) | |
|---|---|---|
Age | ||
≤65 years (N = 78) | 39 (50) | 39 (50) |
≥66 years (N = 78) | 39 (50) | 39 (50) |
Gender | ||
Female (N = 36) | 18 (23) | 18 (23) |
Male (N = 120) | 60 (77) | 60 (77) |
ECOG Performance status | ||
1–2 (N = 26) | 13 (17) | 13 (17) |
3–4 (N = 130) | 65 (83) | 65 (83) |
Type of primary tumor | ||
Breast cancer (N = 12) | 6 (8) | 6 (8) |
Prostate cancer (N = 36) | 18 (23) | 18 (23) |
Myeloma/lymphoma (N = 0) | 0 (0) | 0 (0) |
Lung cancer (N = 46) | 23 (29) | 23 (29) |
Unknown primary (N = 32) | 16 (21) | 16 (21) |
Other tumors (N = 30) | 15 (19) | 15 (19) |
Involved vertebrae (n) | ||
1–2 (N = 34) | 17 (22) | 17 (22) |
≥3 (N = 122) | 61 (78) | 61 (78) |
Other bone metastases | ||
No (N = 34) | 17 (22) | 17 (22) |
Yes (N = 122) | 61 (78) | 61 (78) |
Visceral metastases | ||
No (N = 36) | 18 (23) | 18 (23) |
Yes (N = 120) | 60 (77) | 60 (77) |
Interval from tumor diagnosis to MESCC | ||
≤ 15 months (N = 136) | 68 (87) | 68 (87) |
> 15 months (N = 20) | 10 (13) | 10 (13) |
Pre-RT ambulatory status | ||
Not ambulatory (N = 110) | 55 (71) | 55 (71) |
Ambulatory (N = 46) | 23 (29) | 23 (29) |
Time developing motor deficits | ||
1–7 days (N = 110) | 55 (71) | 55 (71) |
8–14 days (N = 30) | 15 (19) | 15 (19) |
> 14 days (N = 16) | 8 (10) | 8 (10) |