This study was aimed at revealing the factors and the interrelationships between factors on microalbuminuria development among type 2 diabetes (T2D) patients. Between 2004 and 2011, 461 T2D patients with a baseline urine albumin-to-creatinine ratio (UACR) of <30mg/g, and an estimated glomerular filtration rate (eGFR) of >60mL/min were evaluated retrospectively. Sixty-eight (14.8%) subjects had developed microalbuminuria in a mean follow-up of 6.82 years. Statistical analysis had revealed that the higher baseline UACR (10mg/g; sensitivity, 80.9%, specificity, 63.6%; AUC=0.774) and glycohemoglobin level (HbA1c) (8%; sensitivity, 72.1%, specificity, 61.6%; AUC=0.698) were the two independent microalbuminuria risk factors. When considering the risk of microalbuminuria, the data were normalized with respect to subjects with low-normal UACR (<10mg/g) and HbA1c<8%. The adjusted hazard ratio for subjects with low-normal UACR/HbA1c>8%, high-normal UACR/HbA1c<8%, and high-normal UACR/HbA1c >8% were 2.59 (p=0.107), 6.15 (p=0.001), and 16.96 (p<0.001), respectively. It was determined that an increase of HbA1c levels (<8, 8-9, 9-10, >10%) showed a progressively increase of the hazard risk in baseline high-normal UACR group. But the same correlation was not shown in the low-normal UACR group. This study identified the relationships of high-normal albuminuria and glycemic control on microalbuminuria development among T2D patients. Glycemic control is especially beneficial for T2D patients with baseline high-normal UACR in preventing microalbuminuria development. © 2014 Informa Healthcare USA, Inc. All rights reserved: reproduction in whole or part not permitted.
CITATION STYLE
Chen, W. Z., Hung, C. C., Wen, Y. W., Ning, H. C., Gau, B. R., & Huang, Y. Y. (2014). Effect of glycemic control on microalbuminuria development among type 2 diabetes with high-normal albuminuria. Renal Failure, 36(2), 171–175. https://doi.org/10.3109/0886022X.2013.832312
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