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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.
He was responsible for designing the algorithm [8] that is used in the commercial "4Kscore" test [9] for men with elevated PSA. With colleague Hans Lilja, Vickers published a series of studies demonstrating that a single PSA at age 45 - 60 is an extremely strong predictor of the long-term risk of prostate cancer mortality.
The 4Kscore test provides an individual's probability score of finding aggressive prostate cancer defined as a Gleason Score equal or greater than seven prior to a biopsy decision.
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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 ...
Prostate cancer is the uncontrolled growth of cells in the prostate, a gland in the male reproductive system below the bladder.Abnormal growth of prostate tissue is usually detected through screening tests, typically blood tests that check for prostate-specific antigen (PSA) levels.
The name of this formula stems from the fact that is the twentieth formula discussed in Kuder and Richardson's seminal paper on test reliability. [1] It is a special case of Cronbach's α, computed for dichotomous scores. [2] [3] It is often claimed that a high KR-20 coefficient (e.g., > 0.90) indicates a homogeneous test. However, like ...
Qatar rolled out free Starlink on its first Boeing 777 in October. It plans to install the service on the entire 777 fleet by the end of 2025 and start the upgrades on its Airbus A350s this summer.