Of note, patients with SI were more likely to have diabetes mellitus [61 (44.2%) vs. 275 (33.8%), P = 0.02] and have a higher hs-cTnI (2.6 ± 1.6 vs. 2.1 ± 1.3 ng/L, P < 0.01) at baseline than those without SI. This evidence concerns the gene TNNI3 and diabetes mellitus.