INS and diabetes mellitus: An elevated TG/HDL-C ratio was associated with an increased risk of all-cause mortality in all subgroups, and the differences between subgroups were not significant based on sex (P = 0.985), smoker (P = 0.173), BMI (P = 0.741), duration of DM (P = 0.090), ACS (P = 0.438), HbA1c (P = 0.524), LDL-C (P = 0.788), insulin treatment (P = 0.265), and revascularization (P = 0.780).