Fig. 3From: Quantitative CT analysis using functional imaging is superior in describing disease progression in idiopathic pulmonary fibrosis compared to forced vital capacity(Upper panel) Correlation between the change in lung volume measured at Total Lung Capacity (TLC) [L] and the change in Forced Vital Capacity (FVC) [% predicted]; (Lower panel) Correlation between the change in specific image based airway radius (siRADaw) measured at Total Lung Capacity (TLC) [cm/L] and change in FVC (% predicted)Back to article page