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These pages discuss calculations of OFF Scores. https://athleticalgorithm.wordpress.com/2013/10/12/understanding-the-bio-passport-the-off-score/
http://sportsscientists.com/2011/03/the-biological-passport-legal-scientific-and-performance-views/FYI: Radcliffe's scores are amateur compare to JTL's.
"According to UKAD, Tiernan-Locke’s figures led to a ‘highly abnormal’ OFF-score value of 155.8." -
Haematocrit is a terrible indicator of doping though. It varies in endurance athletes from something around 40 to as high as the low 50s (Charly Wegalius had a normal trained haematocrit of about 52, so got busted by the UCI 50 limit). Haematocrit on its own doesn't give you anything like the whole picture.
They say "blood values" but I still haven't worked out what's being measured. At least if it was Hematocrit we could tell from the numbers being 50ish.
Is this a metric which can be microdosed up to threshold a LA Hematocrit? If so, insufficient datapoints are being discussed. I haven't seen an annotated graph yet.