1,600
Participants
Start Date
March 20, 2018
Primary Completion Date
June 30, 2020
Study Completion Date
December 30, 2020
Medical quality control intervention strategy
Training and education for diagnosis, treatment and management of COPD for doctors and nurses; Regular inspection and supervision of medical quality
Guangzhou Institute of Respiratory Health,The First Affiliated Hospital of Guangzhou Medical University, Guangzhou
Guangzhou Institute of Respiratory Disease
OTHER