Table 2.

Sensitivity, specificity, predictive values, and area under the receiver-operation characteristic curve (AUC ROC) for modified Pouchot score and serologic measurements.

FactorCutoff ValueSensitivity, %Specificity, %NPV, %PPV, %AUC ROC
Modified Pouchot score≥ 4929396850.98
CRP15.6 mg/l924893440.59
IL-1ß10.9 pg/ml925293460.72
IL-67.2 pg/ml834887420.56
IL-840.6 pg/ml754179360.44
Calprotectin3.6 ng/ml836287560.77
  • NPV: negative predictive value; PPV: positive predictive value; CRP: C-reactive protein; IL: interleukin.