The CHOROS pooled analysis is a retrospective secondary data use analysis of integrated individual participant data from a series of planned and on-going primary prospective, non-interventional, multi-center studies sponsored by AstraZeneca and conducted in the pulmonary/primary care practitioner setting in multiple countries and may include data from the following countries: United Kingdom, Germany, Italy, Greece, Japan, Canada and Romania.
Who can participate
Inclusion Criteria:
* Patients with moderate to severe COPD and initiating BGF treatment according to the local prescribing guidance and as per their treating physician's recommendation
* Enrolled in on-going single-arm studies
* Provided consent for secondary use of data
Exclusion Criteria:
* Did not provide consent for secondary use of data
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