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Criteria of traditional graded prognostic assessment (GPA) for NSCLC with brain metastases.
| Variable | Traditional GPA criteria | ||
|---|---|---|---|
| 0 | 0.5 | 1.0 | |
| Age(years) | >60 | 50–60 | <50 |
| KPS1 | <70 | 70–80 | >90 |
| Extracrainial metastases | Yes | NA2 | No |
| Number of BM | >3 | 2–3 | 1 |
1KPS, Karnofsky performance status; 2NA, not applicable.
