Evaluation of the Sustaining Effects of Tai Chi Qigong in the Sixth Month in Promoting Psychosocial Health in COPD Patients: A Single-Blind, Randomized Controlled Trial
Figure 3
Minimum clinically important difference (MCID): changes in the St. George’s respiratory questionnaire (SGRQ) scores at 6th month from baseline. ∘ Circles represent the mean; whiskers represent 95% confidence intervals; (dotted line) no change from baseline; (dashed line) (−4) threshold for positive clinical significance; (double-dotted line) (+4) threshold for negative clinical significance.
