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Nephrol Dial Transplant. 2010 Jun;25(6):1865-9. doi: 10.1093/ndt/gfp740. Epub 2010 Jan 11.

Serum uric acid levels predict the development of albuminuria over 6 years in patients with type 1 diabetes: findings from the Coronary Artery Calcification in Type 1 Diabetes study.

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  • 1Division of Renal Diseases and Hypertension, University of Colorado Denver, Aurora, CO, USA. diana.jalal@ucdenver.edu

Abstract

BACKGROUND:

Recent studies suggest that uric acid is a mediator of diabetic nephropathy. We hypothesized that elevated serum uric acid levels are a strong predictor of albuminuria in patients with type 1 diabetes.

METHODS:

We analyzed data from the Coronary Artery Calcification in Type 1 Diabetes study, a prospective observational study. A stepwise logistic regression model was applied to predict the development of micro- or macroalbuminuria after 6 years of follow-up in 324 participants who had no evidence of micro- or macroalbuminuria at baseline. A P-value <0.1 was used as the criteria for entry into and removal from the model.

RESULTS:

The following factors were selected in the stepwise multivariate model as predictors of micro- or macroalbuminuria at the 6-year follow-up visit: baseline serum uric acid levels, HbA(1c) and pre-albuminuria. For every 1-mg/dl increase in serum uric acid levels at baseline, there was an 80% increased risk of developing micro- or macroalbuminuria at 6 years (odds ratio 1.8; 95% confidence interval 1.2, 2.8; P = 0.005). Additional covariates considered in the stepwise model were sex, age, duration of diabetes, angiotensin-converting enzyme inhibitor or angiotensin II receptor blocker treatment, waist circumference, waist/hip ratio, body mass index, systolic and diastolic blood pressure, smoking, serum creatinine, cystatin C, high-density lipoprotein cholesterol and triglycerides.

CONCLUSION:

Elevated serum uric acid levels are a strong predictor of the development of albuminuria in patients with type 1 diabetes.

PMID:
20064950
[PubMed - indexed for MEDLINE]
PMCID:
PMC2902891
Free PMC Article
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