3.

各指标预测Gleason 评分≥7的前列腺癌的效能(前列腺穿刺活检患者)

Value of each index for predicting PCa patients (identified by biopsy) 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	0.729	0.647 - 0.801	76.8	66.7
fPSA/ (μg/L)	3.27	0.655	0.570 - 0.734	50.7	72.6
f/t	0.13	0.665	0.580 - 0.743	67.6	66.7
p2PSA/ (ng/L)	35.60	0.751	0.670 - 0.820	77.7	75.2
%p2PSA	1.87	0.808	0.732 - 0.870	80.5	74.1
PHI	54.90	0.801	0.725 - 0.864	80.2	77.8