Fig. 2From: Fractional exhaled nitric oxide in idiopathic pulmonary arterial hypertension and mixed connective tissue disease complicating pulmonary hypertensionThe diagnostic value of FeNO levels in IPAH. (A) FeNO levels in patients with mild and severe PH in IPAH (Graphing replicates or error bars plot: Median). (B) ROC curve showing the diagnostic value of FeNO level for severe PH in IPAH patients. See Table 1 legend for expansion of abbreviationsBack to article page