ROC curves of %fPSA and PSA for any PCa.

<p>ROC curves of %fPSA and PSA in predicting any prostate cancer for patients aged (A) 50–59 years; (B) 60–69 years; (C) 70–79 years; and (D) 80–89 years with a PSA level of 4.0–10.0 ng/ml.