Drivers of year-to-year variation in exacerbation frequency of COPD: analysis of the AERIS cohort
The association between exacerbation aetiology and exacerbation frequency is poorly understood. We analysed 2-year follow-up data from a prospective observational study of patients with chronic obstructive pulmonary disease (COPD) (www.clinicaltrials.gov identifier number NCT01360398) to evaluate ye...
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
European Respiratory Society
2019-02-01
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Series: | ERJ Open Research |
Online Access: | http://openres.ersjournals.com/content/5/1/00248-2018.full |