The impact of different spirometric definitions on the prevalence of airway obstruction and their association with respiratory symptoms

The fixed ratio criterion of forced expiratory volume in 1 s/forced vital capacity <0.70 for diagnosing airway obstruction may overdiagnose the condition, particularly in the elderly, so the lower limit of normal (LLN) is recommended as the most appropriate criterion. Our aim was to compare LLN v...

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Bibliographic Details

Published in:	ERJ Open Research
Main Authors:	Howraman Meteran, Martin R. Miller, Simon Francis Thomsen, Kaare Christensen, Torben Sigsgaard, Vibeke Backer
Format:	Article
Language:	English
Published:	European Respiratory Society 2017-12-01
Online Access:	http://openres.ersjournals.com/content/3/4/00110-2017.full