Fig. 5From: The use of exhaled air analysis in discriminating interstitial lung diseases: a pilot studyVOC profiling for IPF patients versus CTD-ILD patients. A ROC curve of the 16-VOC IPF versus CTD-ILD profile. AUC is 83.8%. B 3D PCA plot of Random Forests proximities comparing IPF and CTD-ILD patientsBack to article page