TABLE 3

Cox Regression Analysis of Factors Predicting PCa-Specific Survival in Whole Sample (n = 195)

	Univariate analysis		Multivariate analysis
Parameter	HR	P	HR	P
¹¹C-choline PET/CT	3.02 (1.80–5.08)	<0.001	2.53 (1.41–4.53)	0.002
Age (y)	1.00 (0.97–1.04)	0.738	1.01 (0.98–1.05)	0.469
PSA (ng/mL)	1.04 (1.02–1.06)	0.001	1.03 (1.00–1.05)	0.037
Pathologic stage		0.007		0.065
pT2pN0	1 (reference)		1 (reference)
pT3pN0 and pT4pN0	1.24 (0.70–2.17)	0.458	0.79 (0.42–1.46)	0.453
Any T pN1	2.33 (1.32–4.09)	0.003	1.48 (0.82–2.69)	0.191
Gleason score		0.001		0.025
<7	1 (reference)		1 (reference)
7	1.81 (0.95–3.45)	0.069	1.57 (0.81–3.04)	0.176
>7	3.26 (1.68–6.35)	<0.001	2.49 (1.25–4.95)	0.009
Additional therapy	1.83 (1.17–2.86)	0.008	1.20 (0.73–1.97)	0.451

Data in parentheses are 95% CI.