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Fig. 1 | BMC Pulmonary Medicine

Fig. 1

From: Diagnostic possibility of the combination of exhaled nitric oxide and blood eosinophil count for eosinophilic asthma

Fig. 1

Flowchart for selecting the study population. FeNO, fractional exhaled nitric oxide; B-Eos, blood eosinophils; BPT, bronchial provocation test; BDT, bronchodilation test. Notes: Certain data are missing due to concerns about the extra costs of the FeNO test, pain caused by venipuncture, and the clinicians’ personal diagnosis and treatment habits. *Patients with variable respiratory symptoms such as wheezing, shortness of breath, chest tightness and cough, which vary over time and in intensity

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