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| Predictors | Details | Score |
|---|---|---|
| The diagnosis | IPF | 1 |
| Not IPF | 0 | |
| CCIS | ≥6 | 4 |
| 4–5 | 3 | |
| 2–3 | 2 | |
| 0–1 | 1 | |
| FVC, %predicted | <70.0 | 1 |
| ≥70.0 | 0 |
CCIS, Charlson Comorbidity Index score; FVC, forced vital capacity; IPF, idiopathic pulmonary fibrosis.
