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miR‐422a is positively associated with quadriceps strength in patients with COPD. miR‐422a was quantified in the quadriceps muscle of patients with COPD or age‐matched controls. miR‐422a was increased in patients with COPD compared with controls (A) but did not associate with disease severity FEV1 (B). miR‐422a was positively associated with strength in all patients with COPD (C), and this was stronger when males were considered alone (D).
