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Glycated albumin and ratio of glycated albumin to glycated hemoglobin are good indicators of diabetic nephropathy in type 2 diabetes mellitus
Author(s) -
Wang Nana,
Xu Zhen,
Han Ping,
Li Tiegang
Publication year - 2017
Publication title -
diabetes/metabolism research and reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.307
H-Index - 110
eISSN - 1520-7560
pISSN - 1520-7552
DOI - 10.1002/dmrr.2843
Subject(s) - glycated hemoglobin , diabetic nephropathy , medicine , albumin , diabetes mellitus , glycated haemoglobin , type 2 diabetes mellitus , nephropathy , hemoglobin , type 2 diabetes , endocrinology , gastroenterology
Background We investigated the association between serum levels of glycated albumin (GA), glycated hemoglobin (HbA 1c ), and GA:HbA 1c ratio and the presence of diabetic nephropathy (DN) in patients with type 2 diabetes mellitus (T2DM). Methods Two hundred six consecutive patients with T2DM were enrolled from the endocrinology ward at Shengjing Hospital of China Medical University and classified into 2 groups: DN group (n = 71) and non–diabetic nephropathy (non‐DN) group (n = 135). Results The DN group showed significantly higher GA and GA:HbA 1c values compared with the non‐DN group. After univariate logistic regression, GA, GA:HbA 1c , HbA 1c , age, T2DM duration, systolic blood pressure, diastolic blood pressure, triglycerides, mean blood glucose (from 7 blood glucose checks), and presence of retinopathy were selected for advanced analysis. A multivariate logistic regression analysis was performed to examine the association between the presence of DN and these variables. Glycated albumin, GA:HbA 1c , duration, systolic blood pressure, mean blood glucose, and retinopathy (but not HbA 1c ) were identified as independent variables that predicted the presence of DN. We then fitted the areas under the curve of GA:HbA 1c and GA (0.811 and 0.754, respectively) separately using a receiver operating characteristic curve analysis. Both were better than HbA 1c (0.580). We defined the cutoff value of GA:HbA 1c as 2.71 (sensitivity 0.676, specificity 0.778) and that of GA as 17.5% (sensitivity 0.761, specificity 0.644) for the prediction of DN in patients with T2DM. Conclusions The GA:HbA 1c ratio and GA may be superior to HbA 1c associated with the presence of DN.

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