Mortality in GOLD stages of COPD and its dependence on symptoms of chronic bronchitis

<p>Abstract</p> <p>Background</p> <p>The GOLD classification of COPD severity introduces a stage 0 (at risk) comprising individuals with productive cough and normal lung function. The aims of this study were to investigate total mortality risks in GOLD stages 0–4 with s...

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Bibliographic Details
Main Authors: Nilsson Peter M, Nilsson Jan-Åke, Pehrsson Kerstin, Ekberg-Aronsson Marie, Löfdahl Claes-Göran
Format: Article
Language:English
Published: BMC 2005-08-01
Series:Respiratory Research
Subjects:
Online Access:http://respiratory-research.com/content/6/1/98