Table 3.

Multivariable binary logistic analysis of independent predictors for the presence of an anterior zone tumour

Predictor	Odds ratio (95% CI)	P-value
Age (years)	1.01 (0.94-1.09)	0.83
BMI (kg/m 2 )	1.09 (0.9-1.3)	0.2
PSA (ng/ml)	1.1 (0.9-1.36)	0.4
PSA density (ng/ml/cc)	0.35 (0.3-1.6)	0.35
Prostate volume (cc)	0.92 (0.87-0.97)	0.006
Previous biopsy	1.14 (0.44-2.3)	0.6