Parameter | GI-GPA | DS-GPA |
---|---|---|
Metastatic spread to extracranial sides | 0 | |
Brain metastases only | 0.5 | |
Age ≥60 years | 0 | |
Age <60 years | 0.5 | |
Karnofsky performance status ≤70 | 0 | 1 if 70 |
Karnofsky performance status 80 | 1 | 2 |
Karnofsky performance status 90-100 | 2 | 3 if 90, 4 if 100 |
Number of brain metastases >3 | 0 | |
Number of brain metastases 2-3 | 0.5 | |
Number of brain metastases 1 | 1 |