Predictive value of serum cystatin C for risk of mortality in severe and critically ill patients with COVID-19

Figure 1 Receiver operating characteristic curve of serum cystatin C for predicting the risk of mortality in severe and critically ill patients with coronavirus disease 2019. Area under the curve, optimal threshold, specificity, and sensitivity were 0.755, 0.80, 0.562, and 0.865, respectively.