Fig. 3
From: Cardiac biomarkers of prognostic importance in chronic obstructive pulmonary disease
Forest plots illustrating mortality risk among individuals with a COPD and b normal lung function, respectively, by categories of cardiac biomarkers based on hs-cTnI and ischemic ECG abnormalities (I-ECG). Multivariate Cox regression analyses of risk factors for death expressed as HR;95% CI with “no cardiac biomarker” as reference, adjusting for age, sex, smoking habits and diabetes mellitus