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Table 4 Area under ROC curve as a means of differentiating nonsurvivors from blood culture-positives

From: Value of soluble TREM-1, procalcitonin, and C-reactive protein serum levels as biomarkers for detecting bacteremia among sepsis patients with new fever in intensive care units: a prospective cohort study

variable AUC Std. Error P value Asymptotic 95% Confidence Interval Cut point sen spe PPV NPV PLR NLR YI
     Lower limit Upper limit         
sTREM-1 0.868 0.066 0.001 0.74 0.997 126.94 1.0 0.68 0.61 1.00 3.33 0.13 0.68
PCT 0.789 0.085 0.012 0.624 0.955 2.26 0.9 0.63 0.55 0.86 2.57 0.27 0.53
  1. PPV Positive Predictive Value; NPV Negtive Predictive Value; PLR Positive Likelihood Ratio; NLR Negative Likelihood Ratio; YI Youden Index.