Fig. 2From: The cutoff point of clinical chronic obstructive pulmonary disease questionnaire for more symptomatic patientsCorrelation between the CCQ and the (a) SGRQ, (b) CAT, and (c) mMRC. a, b CCQ value for SGRQ score of 25, 20 and for CAT score of 10 determined by an area under the receiver operating curve (AUROC) analysisBack to article page