Evaluation of clinical variables according to follow-up times in COPD: results from ON-SINT cohort
Background: COPD is a chronic disease traditionally associated with increased symptoms as lung function deteriorates. Follow-up times in previous cohort studies were limited to a few years. Interestingly, newer longer observational studies show a more comprehensive picture on disease progression ove...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Taylor & Francis Group
2017-01-01
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Series: | European Clinical Respiratory Journal |
Subjects: | |
Online Access: | http://dx.doi.org/10.1080/20018525.2017.1394132 |