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Newly developed frailty scale scoring system.
| Category | Score |
|---|---|
| Age, years | |
| < 75 | 0 |
| ≥ 75 | 1 |
| Charlson comorbidity index score | |
| < 3 | 0 |
| ≥ 3 | 1 |
| ECOG PS | |
| 0 | 0 |
| 1–2 | 1 |
| ≥ 3 | 2 |
| Sum of scores | |
| Fit | 0 |
| Intermediate | 1 |
| Frail | ≥ 2 |
ECOG PS, Eastern Cooperative Oncology Group performance status.
