Fig. 2From: Single-inhaler fluticasone furoate/umeclidinium/vilanterol versus fluticasone furoate/vilanterol plus umeclidinium using two inhalers for chronic obstructive pulmonary disease: a randomized non-inferiority studyMean change from baseline in trough FEV1 over 24 weeks in a: the mPP population and b: the ITT populationBack to article page