From: A novel biopsy scheme for prostate cancer: targeted and regional systematic biopsy
 | Mean | SD | Range |
---|---|---|---|
Age (y) | 66.0 | 6.0 | 48–78 |
PSA (ng/mL) | 10.3 | 4.4 | 2.5–20.0 |
fPSA/tPSA | 0.18 | 0.1 | 0.04–0.6 |
Prostate volume (mL3) PSA density | 44.5 0.27 | 19.4 0.17 | 17.0-159.5 0.04–1.03 |
PI-RADS score | 4.2 | 0.7 | 3–5 |
No. TB needles  No. positive needles  Positive-ratio | 2.3 1.7 77.8% | 0.6 0.8 0.3 | 2–4 0–4 0-100% |
No. STB needles  No. positive needles  Positive-ratio | 14.3 4.6 28.1% | 0.6 0.3 0.1 | 14–16 1–14 23.5-28.6% |
No. TrSB needles  No. positive needles  Positive-ratio | 6.3 3.6 58.0% | 0.6 1.4 0.2 | 6–8 0–6 0-100% |