Fig. 2

Validity for Dyspnoea-12 and Multidimensional Dyspnea Profile among 608 participants. Validity between Dyspnoea-12 and Multidimensional dyspnea profile measured with Pearson’s correlation coefficient between scales. The 95% confidence intervals are presented in parenthesis below the coefficients. The strength of correlation between the scales is represented with colour intensity, and higher colour intensity means stronger positive or negative correlation. Abbreviations: BMI Body mass index, D12 Dyspnoea-12, MDP multidimensional dyspnoea profile, IP Immediate Perception, ER Emotional Response, mMRC Modified Medical Research Council dyspnea scale, ESAS-r Edmonton Symptom Assessment System. Revised, HADS Hospital Anxiety and Depression Scale, SF-12 PCS Short form 12 item (version 2) physical health composite score, SF-12 MCS Short form 12 item (version 2) mental health composite score