Time to first exacerbation of COPD; number and duration of exacerbations; pulmonary function; SGRQ; Integrative Medicine Patient Satisfaction Scale; laboratory safety parameters; and sputum examination
Clinical symptom; BODE index; 6MWD; sTNF and iNOs; and safety observation
BODE: BMI, obstruction, dyspnea, and exercise; SGRQ: St. George’s Respiratory Questionnaire; WM: western medicine; 6MWD: six-minute walk distance.
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