Interpretation guideGuide to Interpretation of the FENO value in Patients with Airway Disease
How to use FENO-guided asthma control in routine clinical practice
Factors affecting the value
You should be aware of that the FENO value can be affected by various factors
Reference values
Use this guide to find out the expected normal value in your patient. It is dependant on – if the patient is a smoker, has a respiratory infection or has an allergy. Your patient´s height and sex also do influence the expected normal value.