LPA and diabetes mellitus: In unadjusted multivariable logistic regression analysis revealed that the odds ratio for CAD progression increased in patients with higher Lp(a) group (OR 1.530, 95% CI 1.075–2.177; p = .018).This positive correlation remained statistically significant after adjusting for age, sex, BMI, history of HTN, DM, initially obstructive CAD, smoking status, HbA1c, FPG, non‐HDL, HDL‐C, LDL‐C, creatinine, UA, and WBC (OR 1.642, 95% CI 1.018–2.649; p = .042).