Fig. 4From: Immediate salbutamol responsiveness does not predict long-term benefits of indacaterol in patients with chronic obstructive pulmonary diseaseProportion of patients achieving (a) ≥1 point improvement in mMRC score and b ≥0.4 point improvement in CCQ scores during treatment with indacaterol. CCQ, clinical COPD questionnaire; mMRC, modified Medical Research Council; NRv, non-reversible groups; Rv, reversible groupsBack to article page