Fig. 2From: Association between fractional exhaled nitric oxide, sputum induction and peripheral blood eosinophil in uncontrolled asthmaROC curve for FeNO level and blood eosinophil percentage to predict sputum eosinophilia (≥ 2.5%) (a), ROC curve for sputum eosinophil/neutrophil percentage to predict FeNO level (≥ 32 ppb) (b), ROC curve for FeNO level to predict sputum neutrophilia (≥ 65%) (c)Back to article page