Table 1

NAccuracySensitivitySpecificityPPVNPV
Microarray (Training)890.960.890.980.980.96
Microarray (Validation)440.910.800.970.920.90
PCR260.960.951.001.000.86
IHC280.890.861.001.000.89

Sensitivity and specificity of model in training (microarray, PCR, IHC) and validation datasets (microarray). PPV/NPV = postivie/negative predictive value.