Evaluation of the diagnostic accuracy of fractional exhaled nitric oxide (FeNO) in patients with suspected asthma: study protocol for a prospective diagnostic study

Introduction The measurement of fractional exhaled nitric oxide (FeNO) is promising for diagnosing asthma and might substitute for bronchial provocation (BP) tests. To evaluate the diagnostic accuracy of FeNO within a confirmatory study, the following hypotheses will be tested: (1) A FeNO cut-off &a...

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Bibliographic Details
Main Authors: Konrad Schultz, Antonius Schneider, Rudolf A Jörres, Alexander Hapfelmeier, Christina Kellerer, Benjamin Brunn
Format: Article
Language:English
Published: BMJ Publishing Group 2021-02-01
Series:BMJ Open
Online Access:https://bmjopen.bmj.com/content/11/2/e045420.full