A study on correlation between triglycerides glucose index,remnant cholesterol and diabetic nephropathy
Objective To explore the relationship between the triglyceride-glucose(TyG)index,residual cholesterol(RC)and dia-betic nephropathy(T2DM).Methods A total of 410 patients with T2DM were consecutively selected from the Endocrinology Depart-ment of Jiangsu Provincial Traditional Chinese Medicine Hospital from March 2022 to March 2023.The patients were stratified into three groups based on their morning urinary albumin-to-creatinine ratio(UACR):269 patients were in simple diabetes mellitus(SDM)group,80 in early diabetic nephropathy(EDN)group and 61 in clinical diabetic nephropathy(CDN)group.Comparative an-alyses were conducted on the three groups in terms of gender,age,past medical history,body mass index(BMI),systolic blood pres-sure(SBP),diastolic blood pressure(DBP),fasting blood glucose(FBG),Urea,creatinine(Cr),urinary albumin(UA)total cholesterol(TC),triglycerides(TG),high-density lipoprotein cholesterol(HDL-C),and low-density lipoprotein cholesterol(LDL-C).Additionally,TyG index and RC were calculated.Spearman analysis was employed to evaluate the correlation between UACR and these various parameters.Binary Logistic regression was utilized to identify independent risk factors for diabetic nephropathy(DN).The diagnostic performances of Urea,Cr,TyG index and RC for type 2 diabetic nephropathy were assessed using receiver operating charac-teristic(ROC)curve analyses.Results Compared with SDM group,diabetes duration,SBP,Urea,UA,TG,TC,TyG index and RC showed significant increases in EDN group with statistically significant differences(P＜0.05),and diabetes duration,SBP,DBP,Urea,Cr,UA,TG,TC,LDL-C,TyG index and RC in CDN group also exhibited significant increases,with statistically significant differences(P＜0.05).Spearman rank correlation analysis revealed a positive correlation between RC and UACR(r=0.278,P＜0.001),a positive correlation between TyG index and UACR(r=0.239,P＜0.001)and a positive correlation between RC and TyG in-dex(r=0.562,P＜0.001).Binary logistic regression analysis showed that diabetes duration,SBP,Urea,Cr,TyG index(OR=2.815,95％CI:1.481-5.349,P=0.002),and RC(OR=2.179,95％CI:1.038-4.574,P=0.04)were independent risk factors for DN.The area under the ROC curve(AUCROC)for RC predicting DN occurrence was 0.670(95％CI:0.616-0.725),while the AUCROC for the TyG index was 0.620(95％CI:0.564-0.676).Conclusion TyG index and RC were significantly correlated with the development of DN in the patients with T2DM,which may early facilitate clinical identification and management for the patients in the risk ofr diabetic kidney disease.
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