Fig. 4
From: Potential predictors of COVID-19 disease infection and severity in Egypt
Roc curve analysis for the accuracy of the association between elevated CD4:CD8 ratio and T-cell exhaustion with COVID-19 infection. AUC, Area under the curve. *AUC (0.9–1) = excellent discriminating efficiency, **AUC (0.7–0.8) = fair discriminating efficiency. *Significant level at P value < 0.05.
