Fig. 2From: Laryngopharyngeal reflux in chronic obstructive pulmonary disease - a multi-centre study[A] Correlation between RYAN upright score and a) post-bronchilator FEV1%predicted; b) 6-min walking test; c) Modified Medical Research Council dyspnea score and d) COPD Assessment Test (CAT) score [B] Correlation between RYAN supine score and a) post-bronchilator FEV1%predicted; b) 6-min walking test; c) Modified Medical Research Council dyspnea score and d) CAT scoreBack to article page