2.

总人群中各指标预测Gleason 评分≥7的前列腺癌的效能

Value of each index for predicting PCa patients (in total) with Gleason score≥7

Items	Cut-off value	AUC	95%CI	Sensitivity/%	Specificity/%
tPSA, total prostate-specific antigen; fPSA, free prostate-specific antigen; f/t, fPSA/tPSA; p2PSA, isoform [-2] proprostate-specific antigen; %p2PSA, p2PSA/(fPSA×1 000)×100; PHI, prostate health index; AUC, area under curve.
tPSA/(μg/L)	9.76	0.648	0.592 - 0.701	63.8	67.6
fPSA/(μg/L)	1.25	0.536	0.476 - 0.589	50.3	58.9
f/t	0.16	0.693	0.639 - 0.744	73.1	51.4
p2PSA/(ng/L)	29.39	0.673	0.618 - 0.725	67.2	72.9
%p2PSA	1.68	0.770	0.719 - 0.815	83.3	74.9
PHI	64.00	0.760	0.709 - 0.806	81.1	78.4