Chronic Obstructive Pulmonary Disease (COPD) 2014 Review
Epidemiology of COPD
Epidemiology of COPD
- Globally, ~10% of people older than 40 have airflow limitation of GOLD stage 2 or worse (FEV1 < 80% predicted); up to 25% may have GOLD stage 1 (FEV1 ≥ 80% predicted but FEV1/FVC < 0.7).
- Up to 60-85% of people with COPD (mostly mild/moderate severity) are undiagnosed.
- Besides tobacco smoking, biomass exposure (wood burning stoves), secondhand smoke, air pollution and work exposures to fumes and dusts cause COPD in susceptible people.
- COPD is the 4th leading cause of death worldwide; its mortality is rising, while cardiovascular disease?s is falling; COPD is expected to be the 3rd leading cause of death in the next 20 years...
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