Fig. 3From: Immediate salbutamol responsiveness does not predict long-term benefits of indacaterol in patients with chronic obstructive pulmonary disease a Mean change in trough FEV1 (ml) from baseline and b proportion of patients reaching MCID for FEV1 during treatment with indacaterol in reversible (Rv) and non-reversible (NRv) groups. FEV1, forced expiratory volume in 1 s; MCID, minimal clinically important difference; NRv, non-reversible groups; Rv, reversible groupsBack to article page