CRP and diabetic kidney disease: In contrast, C-reactive protein (CRP) levels were higher in both DKD groups when compared to controls, with median values of 4.8 mg/L (Q1-Q3: 4.0-6.3) for ESRD patients and 4.1 mg/L (Q1-Q3: 2.5-5.3) for non-ESRD patients against 1.7 mg/L (Q1-Q3: 1.0-3.0) for healthy individuals (P < 0.0001 for ESRD and P < 0.05 for non-ESRD, respectively).