This article contains the data showing the different influence of subclinical hypothyroidism (SCH) on the risk of cardiovascular events after percutaneous coronary intervention (PCI) in various subgroups regarding myocardial infarction, previous PCI, the stent generation, total stent length, the extent of coronary artery disease, diabetes mellitus, obesity, a lipid reduction level and a C-reactive protein level. This evidence concerns the gene CRP and diabetes mellitus.