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  • Title: Discordance between the triglyceride glucose index and HOMA-IR in incident albuminuria: a cohort study from China.
    Author: Gao W, Wang J, Chen Y, Qiao H, Qian X, Xin Z, Zhao Z, Wang T, Xu Y, Xu M, Bi Y, Li M, Gao J.
    Journal: Lipids Health Dis; 2021 Dec 05; 20(1):176. PubMed ID: 34865646.
    Abstract:
    BACKGROUND: To date, there have no study comparing the associations between TyG index and HOMA-IR on the risk of incident albuminuria. Accordingly, the objective of the present study is to use discordance analysis to evaluate the diverse associations between TyG index and HOMA-IR on the risk of incident albuminuria. METHODS: A community-based prospective cohort study was performed with 2446 Chinese adults. We categorized participants into 4 concordance or discordance groups. Discordance was defined as a TyG index equal to or greater than the upper quartile and HOMA-IR less than the upper quartile, or vice versa. RESULTS: During a median follow-up period of 3.9 years, 203 of 2446 participants developed incident albuminuria (8.3%). In the multivariable logistic analyses, the high TyG index tertile group was associated with a 1.71-fold (95% confidence interval (CI) 1.07-2.72) higher risk of incident albuminuria, comparing with the low tertile group. Participants in TyG (+) & HOMA-IR (-) group had a greater risk of incident albuminuria compared with those in TyG (-) & HOMA-IR (-) group after multivariate adjustment. Subgroup analyses showed that low HOMA-IR and discordantly high TyG index was closely related to a highest risk of incident albuminuria in cardiovascular metabolic disorder subjects. CONCLUSIONS: Participants with a discordantly high TyG index had a significantly greater risk of incident albuminuria, especially in metabolic dysfunction subjects. The TyG index might be a better predictor of early stage of chronic kidney disease than HOMA-IR for subjects with metabolic abnormality.
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