title: GOLD COPD stage I is not associated with increased risk of death.
authors: Philip H
authors: PH
authors: Quanjer
authors: Curt D
authors: CD
authors: Furberg
mesh_terms: D005260:Female; D005541:Forced Expiratory Volume / Q000502:physiology*; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis*; D013147:Spirometry / Q000379:methods*; D014797:Vital Capacity / Q000502:physiology*