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Effect on HRQoL.
Notes: Change from baseline over 24 months in SGRQ score. Values and error bars represent the mean ± standard error. Within-group change from baseline; *MCID −4 unit. Comparison between patients with SET and control groups; #P<0.05.
Abbreviations: HRQoL, health-related quality of life; SGRQ, St George’s Respiratory Questionnaire; SET, Suandok exercise training; MCID, minimal clinically important difference.
