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pubmed-article:14999112pubmed:dateCreated2004-3-4lld:pubmed
pubmed-article:14999112pubmed:abstractTextChronic obstructive pulmonary disease (COPD) is characterized by an incompletely reversible limitation in airflow. A physiological variable--the forced expiratory volume in one second (FEV1)--is often used to grade the severity of COPD. However, patients with COPD have systemic manifestations that are not reflected by the FEV1. We hypothesized that a multidimensional grading system that assessed the respiratory and systemic expressions of COPD would better categorize and predict outcome in these patients.lld:pubmed
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pubmed-article:14999112pubmed:copyrightInfoCopyright 2004 Massachusetts Medical Societylld:pubmed
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pubmed-article:14999112pubmed:articleTitleThe body-mass index, airflow obstruction, dyspnea, and exercise capacity index in chronic obstructive pulmonary disease.lld:pubmed
pubmed-article:14999112pubmed:affiliationCOPD Center at St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, MA 02135, USA. bcelli@copdnet.orglld:pubmed
pubmed-article:14999112pubmed:publicationTypeJournal Articlelld:pubmed
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