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Correlation of destroyed lung scores with pulmonary function (Spearman rank correlation).
| Variables | Correlation coefficient | P value |
|---|---|---|
| FEV1 (L) | −0.78 | 0.001 |
| FEV1 (% predicted) | −0.62 | 0.018 |
| FVC (L) | −0.61 | 0.021 |
| FVC (% predicted) | −0.76 | 0.002 |
| FEV1/FVC (%) | 0.17 | 0.551 |
FEV1: forced expiratory volume in 1 s, FVC: forced vital capacity.
