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. 2013 Aug 19;21(2):315–325. doi: 10.1136/amiajnl-2013-001815

Figure 3.

Figure 3

The receiver operating characteristic (ROC) curve showing the discriminability of sepsis-only patients using the support vector machine (SVM) with only three features. The ROC curve showing the discriminability of the best prediction of mortality (area under the ROC curve (AUC)=0.726±0.045, accuracy=0.728, F=0.821, sensitivity=0.949, specificity=0.308) was provided by SVM (C=4 and γ=0.25) using the top three features of (1) median lactate levels, (2) the mean absolute deviation of respiratory rate, and (3) median mean arterial pressure. RBF, radial basis function.