Fig. 1From: Comparison of therapeutic effects of inhaled corticosteroids on three subtypes of cough variant asthma as classified by the impulse oscillometry systemFlowchart. From 264 patients with persistent chronic cough, 127 patients with cough variant asthma participated in this analysis. A final total of 33 patients with central type, 35 patients with peripheral type, and 59 patients with resistless type were enrolledBack to article page