Fig. 3From: A study of hospitalized COVID-19 patients with AKI in a setting of multiracial developing countrySerum ferritin ROC for AKI. The AUC for this ROC was 0.711 with the optimal cutoff of 500 ug/L with a sensitivity of 66% and specificity of 66%, PPV: 34%, NPV: 87% p < 0.001. *Positive predictive value (PPV), Negative predictive value (NPV)Back to article page