A novel statistical model for analyzing data of a systematic review generates optimal cut-off values for fractional exhaled nitric oxide for asthma diagnosis

Measurement of fractional exhaled nitric oxide (FENO) might substitute bronchial provocation for diagnosing asthma. However, optimal FENO thresholds for diagnosing asthma remain unclear. We re-analyzed data collected for a systematic review investigating the diagnostic accuracy of FENO measurement to exploit all available thresholds under consideration of pre-test probabilities using a newly developed statistical model.

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