Fig. 1From: Classification of non-acute bronchial asthma according to allergy and eosinophil characteristics: a retrospective studyAssociation between sputum eosinophils (EOS) and exhaled nitric oxide (FeNO) in patients among the four endotypes. a Association between sputum EOS and FeNO in patients with non-eosinophilic allergic asthma. b Association between sputum EOS and FeNO in patients with non-eosinophilic non-allergic asthma. c Association between sputum EOS and FeNO in patients with eosinophilic allergic asthma. d Association between sputum EOS and FeNO in patients with eosinophilic non-allergic asthmaBack to article page