Evaluation of MRI/Ultrasound Fusion-Guided Prostate Biopsy Using Transrectal and Transperineal Approaches

Table 4

Comparison of clinical parameters of transrectal (TR) and transperineal (TP) cohorts.

Clinical and MRI parameters	TR; Mean ± SD	TP; Mean ± SD
Age (years)	65 ± 8	67 ± 8	<0.05
PSA (μg/l)	10 ± 11	16 ± 18	<0.05
Number of prebiopsies	1.3 ± 0.9 (0–4)	1.6 ± 1.0 (0–7)	<0.05
Prostate volume (ml)	58 ± 31	68 ± 45	ns
BMI (kg/m^2)	27 ± 4	26 ± 4	ns
	3 ± 1	4 ± 1	<0.001
ADC (10^−3 mm^2/s)	0.9 ± 0.3	0.7 ± 0.2	<0.001
Lesion size (mm)	13 ± 5	17 ± 8	<0.001

  -test. PSA: prostate specific antigen; BMI: body mass index; ADC: apparent diffusion coefficient; ns: nonsignificant. (overall score: 1–5): Prostate Imaging Reporting and Data System.