![Low percentage of free prostate-specific antigen (PSA) is a strong predictor of later detection of prostate cancer among Japanese men with serum levels of total PSA of 4.0 ng/mL or less. Low percentage of free prostate-specific antigen (PSA) is a strong predictor of later detection of prostate cancer among Japanese men with serum levels of total PSA of 4.0 ng/mL or less.](https://d3i71xaburhd42.cloudfront.net/bbc5bbcef53a29466addccfb1a86dca2e6a5abe5/2-Table1-1.png)
Low percentage of free prostate-specific antigen (PSA) is a strong predictor of later detection of prostate cancer among Japanese men with serum levels of total PSA of 4.0 ng/mL or less.
![Usefulness of the prostate health index in predicting the presence and aggressiveness of prostate cancer among Korean men: a prospective observational study | BMC Urology | Full Text Usefulness of the prostate health index in predicting the presence and aggressiveness of prostate cancer among Korean men: a prospective observational study | BMC Urology | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs12894-021-00897-2/MediaObjects/12894_2021_897_Fig1_HTML.png)
Usefulness of the prostate health index in predicting the presence and aggressiveness of prostate cancer among Korean men: a prospective observational study | BMC Urology | Full Text
Age-Specific Cutoff Value for the Application of Percent Free Prostate-Specific Antigen (PSA) in Chinese Men with Serum PSA Levels of 4.0–10.0 ng/ml | PLOS ONE
![Table 6 from Adding free to total prostate-specific antigen levels in trials of prostate cancer screening | Semantic Scholar Table 6 from Adding free to total prostate-specific antigen levels in trials of prostate cancer screening | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/7f9931c6caa24c31825df818c91d9e544fb5444e/5-Table6-1.png)
Table 6 from Adding free to total prostate-specific antigen levels in trials of prostate cancer screening | Semantic Scholar
![Correlation between the complex PSA/total PSA ratio and the free PSA/total PSA ratio, sensitivity and specificity of both markers for the diagnosis of prostate cancer. | Semantic Scholar Correlation between the complex PSA/total PSA ratio and the free PSA/total PSA ratio, sensitivity and specificity of both markers for the diagnosis of prostate cancer. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/ac4ab721c7e17a9b1cb04ea629b66a283e875bd1/3-Table1-1.png)