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Table 3 ROC analysis of PWI parameters for the differential diagnosis between medulloblastoma and ependymoma

From: The effect of semi-quantitative T1-perfusion parameters for the differentiation between pediatric medulloblastoma and ependymoma

 Cut-off pointAUCSensitivitySpecificity95% CI
PWI parameters
 Relative enhancement (%)27.350.8750.7271.0000.730–1.000
 Maximum enhancement100.250.9430.9091.0000.853–1.000
 Maximum relative enhancement (%)7.260.8980.7731.0000.770–1.000
 Time to peak (s)106.140.8860.9090.7500.718–1.000
 Area under the curve1591.180.8640.9090.7500.694–1.000
PWI ratios
 Maximum enhancement ratio4.040.8860.6821.0000.734–1.000
 Maximum relative enhancement ratio (%)3.370.8750.7271.0000.726–1.000