Table 4.
Comparison of clinical parameters of transrectal (TR) and transperineal (TP) cohorts.
| Clinical and MRI parameters | TR Mean ± SD |
TP Mean ± SD |
p value∗ |
|---|---|---|---|
| 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/m2) | 27 ± 4 | 26 ± 4 | ns |
| PI-RADS∗∗ | 3 ± 1 | 4 ± 1 | <0.001 |
| ADC (10−3 mm2/s) | 0.9 ± 0.3 | 0.7 ± 0.2 | <0.001 |
| Lesion size (mm) | 13 ± 5 | 17 ± 8 | <0.001 |
∗Unpaired t-test. PSA: prostate specific antigen; BMI: body mass index; ADC: apparent diffusion coefficient; ns: nonsignificant. ∗∗PI-RADS (overall score: 1–5): Prostate Imaging Reporting and Data System.