The multivariate analysis shows that the risk of myocardial infarction among carriers of variant G (125 Val) of the polymorphism (C373G; Leu125Val) PECAM1 was almost 1.6-fold that of CC homozygotes (OR 1.571, 95% CI: 1.185–2.082). The gene discussed is PECAM1; the disease is myocardial infarction.