Fig. 1From: Usefulness of the prostate health index in predicting the presence and aggressiveness of prostate cancer among Korean men: a prospective observational study ROC curves depicting the accuracy of individual predictors of prostate cancer. A ROC curves in all subjects. B ROC curves in subjects with tPSA 4–10 ng/mL. PSA, prostate-specific antigen; fPSA, free PSA; p2PSA, [-2]proPSA; PHI, prostate health index; ROC, receiver operating characteristic; tPSA, total PSABack to article page