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. 2020 Nov 20;10(11):978. doi: 10.3390/diagnostics10110978

Figure 1.

Figure 1

The receiver operating characteristic (ROC) curves for IL-6 and CRP tests drawn from sensitivity versus 1-specificity using culture proven sepsis cases and controls. ROC shows the performance of a test at all classification thresholds. AUC = area under the ROC curve. AUC provides an aggregate measure of performance of a test across all possible classification thresholds. AUC indicates the accuracy of IL-6 or CRP to correctly classify sepsis cases from controls. An AUC of 1 represents a perfect test; 0.90–1 = excellent, 0.80–0.90 = good; 0.70–0.80 = fair; 0.60–0.70 = poor; 0.50–0.60 = fail and an AUC of 0.5 represents a worthless test. CI = Confidence interval.