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Chow score calculation among patients dying within 90 d
| Adverse factor | Points assigned | No. % (n = 505) |
|---|---|---|
| Primary cancer site | ||
| Breast | 0 | 55 (10.9) |
| Other | 1 | 450 (89.1) |
| Site of metastases | ||
| Bone only | 0 | 150 (29.7) |
| Other | 1 | 355 (70.3) |
| KPS | ||
| >60 | 0 | 264 (52.3) |
| ≤60 | 1 | 241 (47.7) |
| Group (median life expectancy) | ||
| I (15.0 mo) | 0‐1 | — |
| II (6.5 mo) | 2 | — |
| III (2.3 mo) | 3 | — |
Abbreviation: KPS, Karnofsky Performance Status.
