Table 2

Overall diagnostic accuracies obtained for different lesion pair containing 80 samples in the standard data (prediction) set and 50 samples in the blind data (validation) set

Tissue typesNormal and hyperplasiaHyperplasia and dysplasiaDysplasia and squamous-cell carcinoma
Se (%)Sp (%)PPV (%)NPV (%)Se (%)Sp (%)PPV (%)NPV (%)Se (%)Sp (%)PPV (%)NPV (%)
Standard data set10010010010010010010010097929792
Blind data set90100100901009089100100100100100
Over all9510010095100959510098.59698.596
  • Sensitivity (Se)=true positive (TP)/(TP+false negative); specificity (Sp)=true negative (TN)/(TN+false positive); positive predictive value (PPV)=TP/(TP+false positive); negative predictive value (NPV)=TN/(TN+false negative).