4.

各指标预测Gleason 评分≥7的前列腺癌的效能(前列腺根治术患者)

Value of each index for predicting PCa patients (received radical prostatectomy) 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)	8.51	0.625	0.549 - 0.696	61.7	70.0
fPSA/(μg/L)	0.95	0.507	0.431- 0.583	63.3	60.1
f/t	0.20	0.697	0.623 - 0.763	74.0	50.0
p2PSA/(ng/L)	23.95	0.710	0.637- 0.776	77.3	70.4
%p2PSA	1.52	0.744	0.673 - 0.806	84.6	69.7
PHI	35.44	0.798	0.731- 0.855	82.8	70.8