Table 3. Cox proportional hazard model for the whole cohort.

Clinical characteristics	Overall survival			Prostate cancer-specific survival
	HR	95% CI	P	HR	95% CI	P
Age at the time of diagnosis, year	1.016	0.98-1.053	0.401	0.999	0.951-1.05	0.976
Year of diagnosis	1.114	1.01-1.228	0.030	1.06	0.927-1.211	0.395
PSA, ng/mL	0.996	0.984-1.008	0.530	1.003	0.989-1.016	0.702
T staging	1.897	1.179-3.054	0.008	1.87	1.018-3.436	0.044
N staging	0.255	0.029-2.238	0.218	0.767	0.083-7.062	0.815
M staging	0.686	0.231-2.037	0.497	0.396	0.087-1.802	0.231
Gleason score	0.966	0.862-1.082	0.546	0.924	0.796-1.072	0.295
Management approach	0.509	0.173-1.501	0.221	1.096	0.296-4.064	0.891

95% CI, 95% confidence interval; HR, hazard ratio.