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Vastus lateralis fiber characteristics.
Notes: Mean (SEM) values for the percentage of type I fibers (A), the percentage of type II fibers (B), the percentage of hybrid fibers (C) and type II fiber size (area) (D) in healthy controls (■), COPDN [img] and COPDL (□). Data are presented as mean ± SEM. *p<0.05.
Abbreviations: COPDL, COPD patients with low FFMI; COPDN, COPD patients with normal FFMI; FFMI, fat-free mass index; SEM, standard error of the mean.
