Table 4:

Measures of sensitivity, specificity, PPV, NPV, accuracy, and AUC of ADCmin values, rADC ratios, and rCBVmax ratios for differentiation of hemangioblastomas and brain metastases

TVSensitivitySpecificityPPVNPVAccuracyAUC
ADCmin1.1090.48%96.67%95.0%93.5%94.12%0.968
rADC1.5495.24%96.67%95.2%96.7%96.08%0.971
rCBVmax6.5995.24%53.33%58.8%94.1%70.59%0.756
  • Note:—PPV indicates positive predictive value; NPV, negative predictive value; TV, threshold value; AUC, area under the curve.