Table 1

- Distribution of different parameters across both biopsy strategies.

ParametersTRUSBx (n=165)TPBx (n=142)P-value
Age (mean±SD)51-80 years (65.1±7.8)47-80 years (65±8.5)0.8
Prostate-specific antigen3.5-26 ng/ml (14.2±5)4-222 ng/ml (13.7±25.9)0.4
Prostate volume31-170 cc (61.9±34.9)26-196 cc (63±22)0.7
Obesity (BMI>30) (%)25 (15.15)24 (16.9)0.6
Prior prostate biopsy with negative finding (%)23 (14)12 (8.4)0.6
Present positive DRE (%)15 (9)14 (9.8)0.8
Number of lesions
PI-RADS 335300.7
PI-RADS 41925 
PI-RADS 51620 
  • BMI: body mass index, DRE: digital rectal examination, PI-RADS: prostate imaging reporting and data system, TRUSBx - transrectal ultrasound-guided biopsy, TPBx: transperineal biopsies