Table 1.

Classification performance for bladder cancer T-staging on the basis of T2-weighted magnetic resonance imaging scan at sector and patient levels

	Sector level				Patient level
No. of features	SEN	SPE	ACC	AUC	SEN	SPE	ACC	AUC
9	0.681	0.788	0.763	0.813	0.742	0.824	0.785	0.806
14	0.790	0.748	0.758	0.816	0.742	0.765	0.754	0.798
18	0.782	0.728	0.740	0.818	0.806	0.735	0.769	0.793

ACC, accuracy of prediction; AUC, area under receiver operating characteristic curve; SEN, sensivitity; SPE, specificity.