TNNI3 and coronary artery disorder: In non‐AMI CHD patients who successfully underwent PCI, this study found that elevated preprocedural Lp(a) levels were correlated to the risk of postprocedural cTnI greater than 1 × ULN up to 15 × ULN but not 20 × ULN, 25 × ULN and 70 × ULN.