Usefulness of GOLD classification of COPD severity

Patients with a history of asthma (variability of spirometric parameters, improvement in forced expiratory volume in 1 second (FEV1) of >20% after inhalation of [beta]2 agonists, symptoms predominantly at night, seasonal allergies, allergic rhinitis, or eczema) were excluded from the study, as we...

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Bibliographic Details
Published in:	Thorax Vol. 58; no. 9; p. 825
Main Authors:	Köhler, D, Fischer, J, Raschke, F, Schönhofer, B
Format:	Journal Article
Language:	English
Published:	England BMJ Publishing Group Ltd 01-09-2003 BMJ Publishing Group LTD BMJ Group
Subjects:	Classification Emphysema Forced Expiratory Volume - physiology Humans Letter to the Editor Predictive Value of Tests Pulmonary Disease, Chronic Obstructive - classification Pulmonary Disease, Chronic Obstructive - diagnosis Retrospective Studies Vital Capacity - physiology
Online Access:	Get full text
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Summary:	Patients with a history of asthma (variability of spirometric parameters, improvement in forced expiratory volume in 1 second (FEV1) of >20% after inhalation of [beta]2 agonists, symptoms predominantly at night, seasonal allergies, allergic rhinitis, or eczema) were excluded from the study, as were those in whom FEV1 and forced vital capacity (FVC) differed by more than 5% according to the American Thoracic Society (ATS) guidelines 2 and patients with an abnormal chest radiograph or chronic cough caused by a disease other than COPD.
Bibliography:	SourceType-Other Sources-1 content type line 63 ObjectType-Correspondence-1
ISSN:	0040-6376 1468-3296
DOI:	10.1136/thorax.58.9.825