Fig. 2From: Usefulness of the prostate health index in predicting the presence and aggressiveness of prostate cancer among Korean men: a prospective observational study Box plots comparing PHI (A), %p2PSA (B), %fPSA (C) and tPSA (D) in relation to a biopsy Gleason score. PSA, prostate-specific antigen; fPSA, free PSA; p2PSA, [-2]proPSA; PHI, prostate health index; tPSA, total PSABack to article page