Table 4.

Patients’ survival was evaluated by Cox regression analysis

Variables	Hazard rate	95% CI	P-value
RRBP1 expression (high-expression vs Low-expression)	6.924	1.995–24.035	0.002
Age (>64 years vs ≤64 years)	1.375	0.692–2.740	0.363
Smoke history (positive vs negative)	1.648	0.738–3.681	0.223
T stage (T3–T4 vs T1–T2)	6.410	1.842–22.222	0.004
Lymph node metastasis (positive vs negative)	4.027	1.691–9.590	0.002
PSA (>20 ng/ml vs ≤20 ng/ml)	1.017	0.419–2.475	0.969
Gleason score (≥8 vs ≥8)	6.534	1.964–21.737	0.002