Skip to main content

Table 2 Area under ROC curve as a means of differentiating sepsis from SIRS

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 sen spe PPV NPV PLR NLR YI
     Lower limit Upper limit point        
sTREM-1 0.868 0.036 <0.001 0.798 0.938 108.9 0.83 0.81 0.86 0.65 2.9 0.31 0.64
PCT 0.729 0.047 <0.001 0.637 0.821 2.1 0.55 0.83 0.82 0.42 2.14 0.51 0.38
CRP 0.675 0.049 0.001 0.578 0.771 16.5 0.35 0.98 0.96 0.35 2.85 0.76 0.33
APACHEII score 0.745 0.045 <0.001 0.656 0.833 19.5 0.49 0.89 0.86 0.4 3.49 0.62 0.39
  1. PPV Positive Predictive Value; NPV Negtive Predictive Value; PLR Positive Likelihood Ratio; NLR Negative Likelihood Ratio; YI Youden Index.