FeNO was an effective auxiliary diagnosis method for bronchial asthma. 64 ppb and 41 ppb was the best cut-off value of FeNO to identify asthma in bronchoprovocation test or bronchodilation test, respectively. Sex was an independent factor affecting patients' FeNO level.
17
Increased amount of nitric oxide in exhaled air of asthmatics
Kjell Alving, Eddie Weitzberg, Lundberg Jm · European Respiratory Journal · 1993 · 1.2K citations · Full text
Asthma, Inflammation, Allergy +13
Single-breath nitric oxide measurements in asthmatic patients and smokers
Magnus G. Persson, L.E. Gustafsson, O. Zetterström et al. · The Lancet · 1994 · 484 citations
Asthma, Allergy, Physiology +3
Andrew Smith, Jan O. Cowan, Sue Filsell et al. · American Journal of Respiratory and Critical Care Medicine · 2003 · 469 citations