CNDP1 and type 2 diabetes mellitus: Median urinary CN-1 concentrations in patients with T2DM and macroalbuminuria were significantly higher in comparison to those in T2DM patients with normo- and microalbuminuria (554 ng/ml [IQR 212-934 ng/ml] vs. 31 ng/ml [IQR 31-64 ng/ml], ACR > 300 vs. ACR ≤ 300 mg/g; p < 0.0001).