Each unit of RC was associated with an 8.7% increase in stroke risk after adjusting for BMI, gender, age, drinking status, physical activity, heart diseases, diabetes mellitus, hypertension, lipid therapy, smoking status, CRP, Scr, and Cystatin C in Model 3 (HR = 1.087, 95%CI: 1.001–1.180). Here, CST3 is linked to diabetes mellitus.