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Table 1 Patient characteristics.

From: Prognostic factors for outcomes after whole-brain irradiation of brain metastases from relatively radioresistant tumors: a retrospective analysis

  N (%)
Tumor type  
Malignant melanoma 69
Renal cell carcinoma 74
Colorectal cancer 77
WBI schedule  
5 × 4 Gy 56
10 × 3 Gy 99
15 × 3/20 × 2 Gy 65
Age  
≤ 62 years 109
≥ 63 years 111
Gender  
Female 78
Male 142
Karnofsky Performance Score  
<70 89
≥ 70 131
Number of metastases  
1-3 89
≥4 131
Extracerebral metastases  
No 68
Yes 152
Interval from first diagnosis to WBI  
≤ 24 months 104
≥ 25 months 116
RPA class  
1 25
2 105
3 90