Abstract
To the Editor: The Beckman Coulter Prostate Health Index ( phi )1 is an in vitro diagnostic multivariate index assay incorporating immunoassay measurements of prostate-specific antigen (PSA), free PSA, and the free PSA isoform [−2]proPSA (p2PSA) in serum and is calculated as (p2PSA /free PSA × √PSA). In 2012, phi was approved by the Food and Drug Administration to aid in the detection of prostate cancer in men ≥50 years with total PSA concentrations from 4 to 10 ng/mL with a nonsuspicious digital rectal examination. Phi has also been used to detect prostate cancer in the 2–10 ng/mL PSA …
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
