Table 2.

Logistic regression analysis of analysis of factors associated with visibility on 3-T MRI

		Univariate analysis		Mutivariate analysis
Variables analyzed	No. of tumor foci	Odds ratio (95 % CI)	p-value	Odds ratio (95 % CI)	p-value
Age	102	1.03 (0.976–1.10)	0.266
PSA	102	1.01 (0.957–1.07)	0.647
Tumor location
Central/Transition zone only	17	0.954 (0.329–2.73)	0.929
Peripheral zone	85	1
Tumor volume	102	8.53 (3.85–24.3)	<0.0001	9.24 (3.60–31.8)	<0.0001
Gleason sum	102	3.47 (1.89–7.06)	<0.0001	0.871 (0.321–2.24)	0.778