Correlations of individual fibrotic components scores with lung function and CPI
| CT fibrotic feature scores | TLCO R | TLCO, p value | FVC R | FVC, p value | CPI R | CPI, p value |
| Traction bronchiectasis | −0.61 (−0.78 to −0.37) | <0.001 | −0.36 (−0.61 to −0.04) | 0.026 | 0.60 (0.38 to 0.78) | <0.001 |
| Reticulation | −0.49 (−0.71 to −0.21) | 0.002 | −0.32 (−0.58 to 0.00) | 0.05 | 0.40 (0.10 to 0.64) | 0.013 |
| Honeycombing | −0.52 (−0.72 to −0.24) | 0.001 | −0.19 (−0.48 to 0.14) | 0.260 | 0.45 (0.15 to 0.67) | <0.010 |
| Ground glass with traction bronchiectasis | −0.31 (−0.57 to −0.01) | 0.060 | −0.34 (−0.60 to −0.02) | 0.040 | 0.41 (0.10 to 0.64) | 0.011 |
CIs to correlation coefficient in parentheses.
CPI, Composite Physiologic Index; FVC, forced vital capacity; R, reticulation ; TLCO, transfer factor for carbon monoxide.