highly significantp value ≤0.001
Receiver Operating Characteristics (ROC) curves for the studied sepsis markers are shown in Figure 2 , which revealed that serum PCT levels with cutoff value ≥0.5 ng/ml showed sensitivity 97.6%, specificity 89%, PPV 97.6%, NPV 88.9%, and a highly significant accuracy 96% ( p value ≤0.001).