KLK3 and posterior cortical atrophy: Moreover, total PSA value and fPSA ratio were lower in the PCa detection group [6.7 ng/ml (IQR 4.7–11.3) and 16% (IQR 14–18)], relative to the negative PCa detection group prior to HoLEP [8.9 ng/ml (IQR 5.6–14.4) and 19% (IQR 15–28)].