Observational Study to Evaluate Health Status of Chronic Obstructive Pulmonary Disease (COPD) Patients in Response to Real-life Treatments in Thailand

Inclusion Criteria: 1. Provision of informed consent prior to any study specific procedures 2. Male or non-pregnant female aged \>40 years 3. A clinical diagnosis of COPD with FEV1/ FVC \<0.70 and require combination or modified therapy 4. Smoke \> 10 Pack Year Exclusion Criteria: 1. Involvement in the planning and/or conduct of the study (applies to both AstraZeneca staff and/or staff at the study site) 2. Participation in a clinical study (precluding non-interventional study or registry) during the last 3 months