The national COPD screening program is in a cross-sectional manner at the baseline, planning to recruit a total of 800,000 participants from 160 districts or counties (5,000 for each site on average) from 31 provinces, autonomous regions or municipalities directly under the central government of China. The filtered COPD high-risk population and confirmed COPD patients will be managed and followed up according to the standardized clinical guidelines. The major aims of the program are to estimate the prevalences of COPD high-risk population and under- or miss- diagnosed COPD patients, and to manage the development and outcomes of the disease.
Study Type
OBSERVATIONAL
Enrollment
800,000
Mainly health advisory.
Health advisory and regular follow-ups.
Pharmaceutical and non-pharmaceutical (e.g. health advisory, rehabilitation, etc.) interventions according to standardized clinical guidelines, with regular follow-ups.
China-Japan Friendship Hospital
Beijing, China
RECRUITINGLung function
The changes of lung function (e.g. FEV1, FVC, FEV1/FVC, etc.) (P.S.: it is hard to assume that the lung function would be improved or decling, especially for the pre- or early-COPD population)
Time frame: 2 years
Respiratory symptoms
The appearance frequencies of respiratory symptoms (e.g. cough, sputum, wheeze, dyspnea, etc.)
Time frame: 2 years
Exacerbations
The numbers of exacerbations (e.g. emergency department visit, hospital admission, etc.) that related to COPD
Time frame: 2 years
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