Relationship between ACR and other determinants of microalbuminuria in T2DM patients

Dijana Mirić Orcid logo ,
Dijana Mirić
Bojana Kisić Orcid logo ,
Bojana Kisić
Dragana Puhalo-Sladoje ,
Dragana Puhalo-Sladoje
Bratislav Mirić ,
Bratislav Mirić
Dragiša Rašić ,
Dragiša Rašić
Ilija Dragojević Orcid logo ,
Ilija Dragojević
Dragana Pavlović
Dragana Pavlović

Published: 01.12.2019.

Volume 49, Issue 1 (2020)

pp. 1-6;

https://doi.org/10.5937/pramed2002001m

Abstract

Introduction: The occurrence of microalbuminuria in type 2 diabetes mellitus (T2DM) patients is regarded as an early clinical sign of incipient kidney damage. Microalbuminuria is often evaluated as urinary albumin to urinary creatinine ratio (ACR). Aim: To assess determinants of microalbuminuria in T2DM patients without prior diagnosis of nephropathy using ACR cut-off values. Materials and Methods: ACR was measured in a total of 90 T2DM patients, during two months in three non-consecutive days, and routine biochemical analyses were performed, including glycated hemoglobin (HbA1c), serum uric acid (SUA), and atherogenic index of plasma (AIP). The cut-off values of ACR were ≤ 2.5 mg/mmol in males, and ≤ 3.5 mg/mmol in females. Duration of T2DM, history of hypertension, HbA1c, estimated glomerular filtration rate (eGFR), AIP, and SUA were investigated for association with microalbuminuria. Results: According to ACR patients were considered as non-albuminuric (n= 57) and microalbuminuric (n = 33). Compared to non-albuminuric group, microalbuminuric group had increased urinary creatinine, urinary albumin, HbA1c, triglycerides and SUA, whilst decreased HDL-cholesterol levels. Although eGFR was generally reduced, the correlation between LogACR and eGFR was not significant (p > 0.05). However, the correlation between LogACR and LogHbA1c was significant. The multiple logistic regression analysis revealed HbA1c (t = 3.42; p = 0.012) and SUA (t = 2.44; p = 0.040) as independent predictors of microalbuminuria in T2DM patients. Conclusion: At ACR cut-off values, concentrations of HbA1c and SUA were independent predictors of microalbuminuria in T2DM patients not yet diagnosed with nephropathy.

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