
The value of percentage free prostate specific antigen (PSA) in the detection of prostate cancer among patients with intermediate levels of total PSA (4.0–10.0 ng/mL) in Nigeria
Keywords: ROC, receiver operator characteristic; AUC, area under the curve; tPSA, total PSA; %fPSA, percentage free PSA; PPV, positive predictive valueProstate cancer; Free PSA; Intermediate PSA range; Nigeria