Spirometry confirmed diagnosis of COPD (i.e. post-bronchodilator FEV1/FVC \< 70% and less than 12% on reversibility testing\< Lower limit of normal (LLN))
≥10 pack years of smoking
You may not be if
Use of anti-coagulation or other platelet function inhibitors
Asthma
Chronic inflammatory diseases, for example rheumatoid arthritis, psoriasis, inflammatory bowel diseases , systemic lupus erythematous (SLE)
