Research Article: Clinical and Radiological Features Between Patients with Stable COPD from Plateau and Flatlands: A Comparative Study
Abstract:
Chronic obstructive pulmonary disease (COPD) is a common, preventable and treatable disease that is characterized by persistent respiratory symptoms and airflow limitation. As a chronic airway disease which accounts for more than million deaths annually, the number of deaths due to COPD in increased % compared to . The overall prevalence of COPD in China is .% and the prevalence is .% among the adults aged or older, estimating that there are approximately . million adults with COPD in mainland China.
Introduction:
Chronic obstructive pulmonary disease (COPD) is a common, preventable and treatable disease that is characterized by persistent respiratory symptoms and airflow limitation. As a chronic airway disease which accounts for more than million deaths annually, the number of deaths due to COPD in increased % compared to . The overall prevalence of COPD in China is .% and the prevalence is .% among the adults aged or older, estimating that there are approximately . million adults with COPD in mainland China.
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