Table 1.

Univariate and multivariate Cox analysis of OS.

Characteristics		5-year OS %	10-year OS %	Univariate analysis		Multivariate analysis
				HR [95%CI]	P	HR [95%CI]	P
Gleason score	3+4 = 7	93.50	82.80	1	<0.001	1	<0.001
	4+3 = 7	89.60	74.40	1.599 [1.538–1.663]		1.184 [1.138–1.232]
Age at diagnosis	≤60	97.20	92.30	1	<0.001	1	<0.001
	60–70	94.70	85.90	1.898 [1.783–2.021]		1.638 [1.538–1.746]
	>70	82.90	58	6.705 [6.329–7.103]		3.647 [3.425–3.883]
Race	Black	90.20	77.40	1	<0.001	1	<0.001
	White	92.80	81	0.797 [0.759–0.837]		0.905 [0.861–0.952]
	Others	93.20	82.80	0.698 [0.634–0.770]		0.669 [0.607–0.739]
Marital status	Married	93.80	82.90	1	<0.001	1	<0.001
	Others	87.90	72.30	1.790 [1.720–1.863]		1.461 [1.402–1.522]
AJCC stage	II	92.60	80.40	1	0.894	NA	NA
	III/IV	91.50	81.00	1.004 [0.953–1.057]		NA
Stage T	T1/T2	92.10	79.80	1	<0.001	1	<0.001
	T3/T4	94.80	85.20	0.686 [0.645–0.729]		1.329 [1.241–1.423]
Stage N	N0	92.70	80.80	1	<0.001	1	<0.001
	N1	79.10	65.50	2.159 [1.929–2.417]		1.495 [1.324–1.687]
Stage M	M0	93.10	81.20	1	<0.001	1	<0.001
	M1	41.30	23.50	9.698 [8.925–10.538]		2.689 [2.452–2.950]
PSA(ng/ml)	≤ 10	94.90	85.10	1	<0.001	1	<0.001
	10–20	88.50	71.70	2.141 [2.045–2.242]		1.431 [1.365–1.499]
	>20	77.50	57	3.855 [3.672–4.047]		1.815 [1.720–1.916]
Treatment	No surgery and radiation	73.90	48.70	1	<0.001	1	<0.001
	Only radiation without surgery	90.70	73.50	0.391 [0.375–0.408]		0.535 [0.512–0.559]
	Only surgery without radiation	97.80	93.10	0.091 [0.086–0.096]		0.203 [0.190–0.217]
	Both radiation and surgery	97.90	89.40	0.138 [0.117–0.162]		0.247 [0.208–0.293]

NA, Not Available.