Fig. 4
From: The association between eosinophilic exacerbation and eosinophilic levels in stable COPD
Receiver operating characteristic (ROC) curves for the absolute blood eosinophil count at the stable state to predict eosinophilic exacerbation based on a eosinophil percentage cut off as 2% and b eosinophil count cut off as 300 cells/uL