Table 2.

Comparison of performance characteristics of Proclarix and %fPSA at fixed sensitivity of 90% for clinically significant PCa

Performance characteristic	Proclarix		%fPSA
	Training	Validation	Training	Validation
Sensitivity % (median)	90	89	90	90
Specificity % (median)	42	41	17	17
NPV % (median)	95	95	89	90
PPV % (median)	25	25	19	19

Median values as obtained from 1000 independent sets of training and validation.

Abbreviations: NPV, negative predictive value; PPV, positive predictive value.