Table 2.

AUC comparison of the cohort with PSA values 1–8 ng/ml in n = 698 patients

Parameter	AUC	95% confidence interval	p value versus PHI
PSA	0.591	0.55–0.63	< 0.0001
%fPSA	0.748	0.71–0.78	0.0377
PSAD	0.749	0.72–0.78	0.0361
PHI	0.789	0.76–0.82	–
PHID	0.819	0.79–0.85	0.0219

AUC area under the ROC curve, PSA prostate-specific antigen, %fPSA percent free PSA, PSAD PSA density, PHI Prostate Health Index, PHID PHI density