Table 3.

Performance characteristics of the base and multiparametric MRI models.

Model	ACC	SEN	SPE	PPV	NPV	AUC (95%CI)
T2WI	0.840	0.750	0.900	0.833	0.844	0.908 (0.792-0.971)
DWI	0.640	0.550	0.700	0.550	0.700	0.702 (0.556-0.823)
DCE-MRI	0.540	0.550	0.533	0.440	0.640	0.572 (0.424-0.711)
Multiparametric MRI	0.880	0.850	0.900	0.850	0.900	0.913 (0.799-0.974)

T2WI, T2-weighted imaging; DWI, diffusion weighting imaging; DCE-MRI, dynamic contrast-enhanced magnetic resonance imaging; ACC, accuracy; SEN, sensitivity; SPE, specificity; PPV, positive predictive value; NPV, negative predictive value; AUC, area under the receiver operating characteristic curve; CI, confidence interval.