Fig. 3From: Identification of biomarkers related to copper metabolism in patients with pulmonary arterial hypertensionIdentification and validation of four biomarkers. A Heatmap of the expression of 28 module DE-CMGs in PAH and control samples from the training set. B The accuracy and error of estimate generation for the SVM‐RFE algorithm in the training set. (C) Candidate genes selected by the LASSO regression model. D Four biomarkers detected by Venn diagram. ROC curves of the prognostic values of the four biomarkers in the training (E), testing (F), and GSE113439 (G) setsBack to article page