title: Forced expiratory volume in one second: why dichotomise?
authors.affiliation: Medical Department P, Bispebjerg Hospital, Copenhagen, Denmark.
authors.forename: J
authors.initials: J
authors.lastname: Vestbo
authors.forename: K M
authors.initials: KM
authors.lastname: Knudsen
authors.forename: F V
authors.initials: FV
authors.lastname: Rasmussen
mesh_terms: D003430:Cross-Sectional Studies; D005541:Forced Expiratory Volume / Q000502:physiology*; D006801:Humans; D008171:Lung Diseases / Q000503:physiopathology*; D008297:Male; D015999:Multivariate Analysis; D009784:Occupational Diseases / Q000503:physiopathology*; D012907:Smoking / Q000503:physiopathology; D013147:Spirometry / Q000706:statistics & numerical data