There were statistically significant differences between the four groups regarding sex, age, BMI, smoking status, diabetes, CKD, ischemic stroke history, dyslipidemia and statin use, and HDL-C, UA, P, TG, FFA, Cr, cystatin C, HbA1C, TNT, and apoA levels (P < 0.05). Here, CST3 is linked to chronic kidney disease.