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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
Calculate Free Testosterone with TruT by FPT
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<blockquote data-quote="Cataceous" data-source="post: 243897" data-attributes="member: 38109"><p>For grins, take the Tru-T number of 38.9 ng/dL and do a linear mapping from its healthy normal range of 16-31 ng/dL to the cFTV range I use as healthy and normal, 10-20 ng/dL. I get 25.3 ng/dL, which when multiplied by the 0.9 correction factor yields 22.7 ng/dL, coincidentally a direct hit on the Labcorp FT. I think Tru-T is usable if you compare it to its own reference range <em>and</em> SHBG is not very high or low. Tru-T seems to perform worse than cfTV at more extreme SHBG, and of course the absolute numbers are out there.</p></blockquote><p></p>
[QUOTE="Cataceous, post: 243897, member: 38109"] For grins, take the Tru-T number of 38.9 ng/dL and do a linear mapping from its healthy normal range of 16-31 ng/dL to the cFTV range I use as healthy and normal, 10-20 ng/dL. I get 25.3 ng/dL, which when multiplied by the 0.9 correction factor yields 22.7 ng/dL, coincidentally a direct hit on the Labcorp FT. I think Tru-T is usable if you compare it to its own reference range [I]and[/I] SHBG is not very high or low. Tru-T seems to perform worse than cfTV at more extreme SHBG, and of course the absolute numbers are out there. [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
Calculate Free Testosterone with TruT by FPT
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