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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Basics & Questions
Shallow Testosterone IM versus SubQ Injections - Lab Results
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<blockquote data-quote="tareload" data-source="post: 211338"><p>Thanks for explaining your approach. Just so you understand how absurd the direct fT numbers are...</p><p></p><p>Take your June 7, 2021 column:</p><p></p><p>TT = 1055 ng/dl</p><p>direct fT = 31.6 pg/ml = 3.16 ng/dl</p><p></p><p>Making sure both measurements are with same units...</p><p></p><p>3.16/1055 = 0.300%</p><p></p><p>For second column...</p><p>1.67/778 = 0.215%</p><p></p><p>Typically the direct fT method gives a fT measurement that's 6-10x lower than more accurate ED/UF measurement or even estimate using Vermeulen calculated fT. </p><p></p><p>I see what you did though, you took the direct fT numbers and used units of ng/dl instead of pg/ml. But when you account for the actually factor of 10, you can see the direct fT method gives you a measurement that's correlated with fT but not actually fT (or what we think fT is <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />).</p><p></p><p>See here for a little more info:</p><p>[URL unfurl="true"]https://www.excelmale.com/forum/threads/response-from-labcorp-about-their-incorrect-unit-usages-for-their-free-testosterone-direct-test.22716/post-194717[/URL]</p></blockquote><p></p>
[QUOTE="tareload, post: 211338"] Thanks for explaining your approach. Just so you understand how absurd the direct fT numbers are... Take your June 7, 2021 column: TT = 1055 ng/dl direct fT = 31.6 pg/ml = 3.16 ng/dl Making sure both measurements are with same units... 3.16/1055 = 0.300% For second column... 1.67/778 = 0.215% Typically the direct fT method gives a fT measurement that's 6-10x lower than more accurate ED/UF measurement or even estimate using Vermeulen calculated fT. I see what you did though, you took the direct fT numbers and used units of ng/dl instead of pg/ml. But when you account for the actually factor of 10, you can see the direct fT method gives you a measurement that's correlated with fT but not actually fT (or what we think fT is :)). See here for a little more info: [URL unfurl="true"]https://www.excelmale.com/forum/threads/response-from-labcorp-about-their-incorrect-unit-usages-for-their-free-testosterone-direct-test.22716/post-194717[/URL] [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Basics & Questions
Shallow Testosterone IM versus SubQ Injections - Lab Results
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