Association between Serum Cystatin C and Diabetic Foot Ulceration in Patients with Type 2 Diabetes: A Cross-Sectional Study

Figure 3

ROC analysis of CysC and creatinine to indicate DPN for nonclinical renal dysfunction patients. For CysC, AUC = 0.715; 95% confidence interval, 0.649–0.781; identified cut-off value = 0.735 mg/L; Youden index = 0.332; sensitivity, 66.2%; specificity, 67.0%.