3. Results
COPD
COPD
A total of 226 participants with moderate to severe COPD in this study were subdivided into the Tai Chi group (n = 116) or control group (n = 110) between April 2019 and October 2021. After screening, 10 patients discontinued the study and the remaining 216 (95.6%) patients were randomized, 108 patients were included in each group, 8 patients dropped out from the Tai Chi group and 2 patients from the control group. The reasons for the dropout were unable to contact the patient, exclusion and other reasons. Demographic data, including age, sex, height, weight, BMI, and smoking history, did not differ substantially between the 2 groups (Baseline characteristics in the 2 groups.FEV1 = forced expiratory volume in 1 second, FVC = forced vital capacity, SGRQ = St George’s Respiratory Questionnaire.