At 6 months | At 12 months | ||
---|---|---|---|
(%) | (%) | P | |
Tumor type | |||
Malignant melanoma | 32 | 8 | |
Renal cell carcinoma | 38 | 30 | |
Colorectal cancer | 26 | 18 | 0.08 |
WBI schedule | |||
5 × 4 Gy | 23 | 8 | |
10 × 3 Gy | 24 | 14 | |
15 × 3/20 × 2 Gy | 51 | 37 | <0.001 |
Age | |||
≤62 years | 38 | 22 | |
≥63 years | 26 | 17 | 0.10 |
Gender | |||
Female | 26 | 24 | |
Male | 35 | 18 | 0.52 |
Karnofsky Performance Score | |||
<70 | 7 | 2 | |
≥70 | 49 | 32 | <0.001 |
Number of metastases | |||
1-3 | 54 | 38 | |
≥4 | 17 | 6 | <0.001 |
Extracerebral metastases | |||
No | 57 | 32 | |
Yes | 20 | 13 | <0.001 |
Interval from first diagnosis to WBI | |||
≤24 months | 31 | 16 | |
≥25 months | 33 | 21 | 0.30 |
RPA class | |||
1 | 96 | 61 | |
2 | 37 | 25 | |
3 | 8 | 2 | <0.001 |