Table 3. Multivariate analysis of predictors associated with disease-specific mortality and overall mortality.

Predictors	Disease-specific mortality		Overall mortality
	p-value	HR (95% CI)	p-value	HR (95% CI)
Age at diagnosis (continuous)	0.72	1.01 (0.95–1.08)	<0.01	1.07 (1.04–1.11)
Preoperative PSA (continuous)	0.80	1.00 (0.97–1.03)	0.67	1.00 (0.98–1.01)
Pathologic Gleason grade group	0.05	1.44 (1.00–2.06)	0.85	1.02 (0.86–1.20)
Extraprostatic extension	0.08	3.40 (0.86–13.35)	0.06	1.54 (0.98–2.41)
Seminal vesicle invasion	0.02	3.82 (1.31–11.17)	<0.01	2.38 (1.42–4.00)
Positive surgical margin	0.46	1.48 (0.53–4.15)	0.44	1.18 (0.78–1.79)
Positive lymph nodes	0.13	2.50 (0.77–8.05)	0.64	0.78 (0.28–2.18)

HR, hazard ratio; CI, confidence interval; PSA, prostate-specific antigen.