Identification of Clinical Phenotypes Using Cluster Analyses in COPD Patients with Multiple Comorbidities

Chronic obstructive pulmonary disease (COPD) is characterized by persistent airflow limitation, the severity of which is assessed using forced expiratory volume in 1 sec (FEV1, % predicted). Cohort studies have confirmed that COPD patients with similar levels of airflow limitation showed marked hete...

Full description

Bibliographic Details
Main Authors: Pierre-Régis Burgel, Jean-Louis Paillasseur, Nicolas Roche
Format: Article
Language:English
Published: Hindawi Limited 2014-01-01
Series:BioMed Research International
Online Access:http://dx.doi.org/10.1155/2014/420134