Similarly, Wu et al. identified 7 ferroptosis-related genes as biomarkers for CAD via bioinformatics analysis, including TRIB3, STMN1, SLC1A4, HSPB1, CEBPG, CBS, and CA9, and its AUC value in the training set was 0.748 [19]. This evidence concerns the gene HSPB1 and coronary artery disorder.