Table 1.

Prognostic value of 4 target genes expression for BCR free survival by Cox proportional hazards model.

Variable	BCR free survival
	HR (95%CI)	P
Univariate analysis
Age (≤60 or >60)	1.10 (0.64-1.90)	0.720
Gleason score (≤8 or >8)	2.70 (1.50-4.60)	<0.001***
Tumor Stage (T1-T2 or T3-T4)	5.20 (2.00-13.00)	<0.001***
Lymph node stage (N0 or N1)	2.00 (1.10-3.50)	0.025*
Distant metastasis (M0 or M1)	0.00 (0.00-2.00)	1.000
PSA (<2 or ≥2)	9.00 (5.00-16.00)	<0.001***
Risk score (Low risk or High risk)	2.30 (1.30-4.20)	0.004**
Multivariate analysis
Gleason score (≤8 or >8)	1.19 (0.66-2.13)	0.568
Tumor Stage (T1-T2 or T3-T4)	3.52 (1.31-9.46)	0.013*
Lymph node stage (N0 or N1)	1.25 (0.68-2.29)	0.474
PSA (<2 or ≥2)	7.19 (3.96-13.04)	<0.001***
Risk score (Low risk or High risk)	1.63 (0.90-2.92)	0.105

＊means the difference is significant at the 0.05 level ,** means the difference is significant at the 0.01 level , *** means the difference is significant at the 0.01 level.