Table 2.

Diagnostic test accuracy according to PI-RADS 3 category grouping

	PT Group (PI-RADS 3 = positive test)	NT Group (PI-RADS 3 = negative test)	ET Group (PI-RADS 3 = Excluded)
Sensitivity	96% (CI 92–98)	82% (CI 75–87)	95% (CI 91–97)
Specificity	33% (CI 23–44)	71% (CI 62–79)	52% (37-66)
AUC	0.81	0.84	0.89

AUC, area under the curve; PI-RADS, Prostate Imaging Reporting and Data System.

PT Group: PI-RADS 3, 4, 5 = positive test; PI-RADS 1 & 2 = negative test; NT Group: PI-RADS 4 & 5 = positive test; PI-RADS 1, 2, 3 = negative test; ET Group: PI-RADS 4 & 5 = positive test; PI-RADS 1 & 2 = negative test.