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Table 3 Median survival according to RPA class and BS-BM score.

From: Whole brain radiotherapy for brain metastases from breast cancer: estimation of survival using two stratification systems

Characteristics* KPS >= 70, age <65 y, controlled primary no extracranial disease RPA class I Median survival (mo) RPA 11.7
All others RPA class II 6.2
KPS < 70 RPA class III 3.0
BS-BM YES OR NO Median survival (mo) BS-BM
Primary controlled 1 0  
KPS > 70 1 0  
No metastases extra cranial 1 0  
SCORE 3 three factors present 24.6
2 two factors present 6.6
1 one factor present 4.7
0 none factor present 2.8