INS and diabetes mellitus: After adjusting for BMI, serum creatinine, bSS, rSS, TyG index and insulin use, it was found that the TyG index was independently associated with a higher risk of recurrent revascularization in patients with diabetes mellitus undergoing PCI [HR: 1.4891, (95% CI 1.1604–1.9110), P = 0.002, Fig. 3].