Graduate College Tianjin University of Traditional Chinese Medicine Tianjin 301617 China;
Graduate College Tianjin University of Traditional Chinese Medicine Tianjin 301617 China;
College of Health Engineering Tianjin University of Traditinal Chinese Medicine Tianjin 301617 China;
Chronic obstructive pulmonary disease; Home-based pulmonary rehabilitation; Centre-based pulmonary rehabilitation; Meta-analysis;