The Journal of asthma : official journal of the Association for the Care of Asthma
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Comparative Study
Reference values and determinants of exhaled nitric oxide in healthy Korean adults.
Measuring fractional exhaled nitric oxide (FeNO) provides an indication of airway inflammation and is used as an inflammatory marker for asthma management. However, reference values and determinants of FeNO levels are not well defined in healthy Asian adults. This study aimed to establish FeNO reference values in nonsmoking, healthy Asian adults and to determine the factors related to FeNO levels. ⋯ We believe that the presented FeNO reference values and the determining factors could be useful for research and clinical practice in the adult Asian population.