Background Physical and functional losses due to aging and diseases decrease human
mobility, independence, and quality of life. This study is aimed at summarizing and …

Health status measurement is a common feature of studies in chronic obstructive pulmonary
disease (COPD). This review assesses recent evidence for the validity of these …

Exacerbations occur commonly in patients with moderate or severe chronic obstructive
pulmonary disease (COPD) but factors affecting their severity and frequency or effects on …

BACKGROUND Although it is presumed that exacerbations of chronic obstructive pulmonary
disease (COPD) are associated with increased airway inflammation, there is little …

Background There is great interest in chronic obstructive pulmonary disease (COPD) and
the associated large burden of disease. COPD is characterised by frequent day by day …

Background: The American Thoracic Society recently recommended that chronic obstructive
pulmonary disease be staged on the basis of the percentage of predicted FEV1. Objective …

Background A major goal in the management of chronic obstructive pulmonary disease
(COPD) is to ensure that the burden of the disease for patients with COPD is limited and that …

Background Although chronic obstructive pulmonary disease (COPD) is a common cause of
death and disability, little is known about the effects of socioeconomic status (SES) and race …

The relationship between tissue depletion and decreased exercise performance has been
well established in patients with COPD. In this study we investigated the influence of the …

Rationale: Black adults have worse health outcomes compared with white adults in certain
chronic diseases, including chronic obstructive pulmonary disease (COPD). Objectives: To …