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Results of multivariate analysis
| Parameter | Adjusted R2 | |
| ILD extent | PVV | |
| %FVC+%DLCO | 0.000 | 0.106 |
| %FVC+%DLCO+XeI | 0.485 | 0.620 |
| %FVC+%DLCO+XeI+GAP stage | 0.448 | 0.593 |
%DLCO, % predicted diffusing capacity for carbon monoxide; %FVC, % predicted forced vital capacity; GAP, gender-age- physiology; XeI, reactance at end-inspiration.
