Table 3.
Variables | Negative biopsy | Positive biopsy | P value |
---|---|---|---|
Number | 81 | 75 | |
Age (years) | 67 (35–79) | 71 (52–80) | 0.014 |
PSA (ng/mL) | 5.75 (1.06–9.93) | 5.74 (2.77–9.74) | 0.358 |
PV (mL) | 31 (10.5–90) | 24 (10–77) | 0.0004 |
PSAD (ng/mL/cm3) | 0.19 (0.05–0.52) | 0.27 (0.05–0.65) | 0.0002 |
TT (ng/mL) | 3.02 (1.35–7.76) | 3.32 (1.86–6.81) | 0.378 |
FT (pg/mL) | 7.8 (2.2–27.5) | 6.6 (0.8–17.1) | 0.003 |
%FT (%) | 0.249 (0.081–1.27) | 0.195 (0.019–0.353) | <0.0001 |
Median (range). P value was calculated by Mann–Whitney U test.
FT, free testosterone; %FT, percent free testosterone; PSA, prostate-specific antigen; PSAD, PSA density; PV, prostate volume; TT, total testosterone.