Clinical and biological data of the studied patients.

DM: diabetes mellitus; BMI: body mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure; Hb: haemoglobin; eGFR: estimated glomerular filtration rate; HbA1c: glycated haemoglobin; hsCRP: high sensitive C reactive protein; UACR: urine albumin to creatinine ratio; alpha1/creat: alpha1-microglobulin to creatinine ratio; KIM-1/creat: kidney injury molecule-1 to creatinine ratio; VEGF/creat: vascular endothelial growth factor to creatinine ratio; nephrin/creat: nephrin to creatinine ratio; AGE: advanced glycation end-products; group A: patients with normoalbuminuria; group B: patients with microalbuminuria; group C: healthy control subjects; parameters are expressed as medians and IQR, as for variables with skewed distribution; p*: Bonferroni's t-test for the differences between groups A and B; p**: Bonferroni's t-test for the differences between groups A and C; p***: Bonferroni's t-test for the differences between groups B and C; p: ANOVA analysis of variance for the differences between groups A, B, and C; statistical significance was set at 0.00625.Clinical and biological data of the studied patients.