Exacerbations and Their Outcomes International (EXACOS International)

Observational, cross-sectional study with retrospective data collection from medical records. During the cross-sectional study visit, data will be captured through the use of electronic Case Report Forms (eCRFs). As there will be only one study visit, no prospective data collection will take place, nor collection of data that are not part of the routine clinic visit. For understanding the burden of severe exacerbations of COPD and the association between frequency of severe exacerbations and clinical and health-care utilization outcomes in less well-resourced countries Patients, treated by pulmonologists, with an investigator-confirmed diagnosis of COPD for at least 5 years from the index date (the date that signed Informed Consent was obtained) and who meet all of the inclusion and none of the exclusion criteria