title: Lower limit of normal is better than 70% or 80%.
authors.forename: James E
authors.initials: JE
authors.lastname: Hansen
mesh_terms: D005541:Forced Expiratory Volume / Q000502:physiology*; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis* / Q000503:physiopathology; D015272:Pulmonary Medicine / Q000379:methods*; D012720:Severity of Illness Index; D014109:Total Lung Capacity / Q000502:physiology*