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The 4Kscore combines total, free and intact PSA together with human kallikrein 2. [46] It is used to try to determine the risk of a Gleason score greater than 6. [46] The Prostate Health Index (PHI) is a PSA-based blood test for early prostate cancer screening. It may be used to determine when a biopsy is needed.
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OPKO Health Announces Launch of 4Kscore™ in Europe Strategic Partner, International Health Technology Ltd, Launches Laboratory Service MIAMI--(BUSINESS WIRE)-- OPKO Health, Inc. (NYSE:OPK) today ...
Andrew Julian Vickers (born 11 February 1967) [1] [2] is a biostatistician and attending research methodologist at Memorial Sloan Kettering Cancer Center. Since 2013, he has also been professor of public health at Weill Cornell Medical College. [3] He is the statistical editor for the peer-reviewed journal European Urology. [4]
1 0.00001-0.000001 10 −5 – 10 −6: ... test specifications and results, ... The following standards use SIL as a measure of reliability and/or risk reduction.
In practice, testing measures are never perfectly consistent. Theories of test reliability have been developed to estimate the effects of inconsistency on the accuracy of measurement. The basic starting point for almost all theories of test reliability is the idea that test scores reflect the influence of two sorts of factors: [7]
The range of the ICC may be between 0.0 and 1.0 (an early definition of ICC could be between −1 and +1). The ICC will be high when there is little variation between the scores given to each item by the raters, e.g. if all raters give the same or similar scores to each of the items.
[3] [4] It is unclear whether this interpretation will be brought into general usage, but the underlying meaning remains the same. An acceptable quality level is a test and/or inspection standard that prescribes the range of the number of defective components that is considered acceptable when random sampling those components during an inspection.