Figure 5From: Significance of fractional exhaled nitric oxide in chronic eosinophilic pneumonia: a retrospective cohort study ROC curves of the studied parameters for predicting exacerbation of CEP. ROC curves of FeNO level (black solid line), ΔFeNO (gray solid line), peripheral eosinophil percentage (black dotted line), and peripheral eosinophil count (gray dashed-dotted line) are shown.Back to article page