Skip to main content

Table 2 Diagnostic performance of each biomarker

From: Different diagnostic performance of plasma fibrinogen and D-dimer in periprosthetic joint infection: a propensity score matched study

  Threshold Sensitivity Specificity AUC (95 % CI) PPV NPV
Fbg (g/L) 3.655 0.92 0.84 0.90 (0.808–0.987) 0.758 0.912
D-dimer (mg/L) 2.72 0.56 0.96 0.81 (0.710–0.919) 0.741 0.955
CRP (mg/L) 12.64 0.92 0.94 0.93 (0.866–0.999) 0.885 0.959
ESR (mm/h) 27 0.88 0.80 0.87 (0.781–0.957) 0.687 0.930
  1. PPV positive predictive value, NPV negative predictive value