| Summary: | Association between hyperuricaemia and chronic kidney disease has been studied widely, but the influence of uric acid on the kidneys remains controversial. We aimed to summarize the association between uric acid and diabetic kidney disease (DKD), and to evaluate the role of uric acid in DKD.We enrolled 3,212 type 2 diabetic patients in a cross-sectional study. The patients' basic characteristics (sex, age, BMI, duration of disease, and blood pressure) and chemical parameters (triglycerides, total cholesterol, low-density lipoprotein cholesterol (LDL-c), high-density lipoprotein cholesterol (HDL-c), microalbuminuria, creatinine, and uric acid) were recorded, and the association between uric acid and DKD was evaluated.In the 3,212 diabetic patients, the prevalence of diabetic kidney disease was higher in hyperuricaemic patients than in patients with normouricaemia (68.3% vs 41.5%). The prevalence of DKD increased with increasing uric acid (p < 0.0001). Logistic analysis identified uric acid as an independent predictor of DKD (p < 0.0001; adjusted OR (95%CI) = 1.005 (1.004-1.007), p < 0.0001). Uric acid was positively correlated with albuminuria and creatinine levels (p < 0.0001) but negatively correlated with eGFR (p < 0.0001) after adjusting for confounding factors.Hyperuricaemia is a risk factor for DKD. Serum uric acid levels within the high-normal range are independently associated with DKD.
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