Figure 3
From: Computer quantification of airway collapse on forced expiration to predict the presence of emphysema
![Figure 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1465-9921-14-131/MediaObjects/12931_2013_Article_1437_Fig3_HTML.jpg)
Receiver operating characteristic (ROC) curve analysis. Panel A/ ROC curve of AC to diagnose emphysema. Panels B-E/ Scatter graph of different variables within emphysema subjects and non-emphysema subjects. The horizontal line represents the best cut-off for sensitivity-specificity.