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c/bloodwork·submitted 5 months ago by u/tidy_vialdrawer_watch

how much of what we believe about eGFR actually comes from ferritin threads

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how much of what we believe about eGFR actually comes from ferritin threads. Searched first, found three threads that contradict each other, hence the post. Tracked ferritin against the weight trend for a year. The correlation was much weaker than I expected and that was worth knowing. Draw at the same point in the…

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6 comments, started 5 months ago
u/neha_rahimi184 points·5 months ago

hydration status moves a surprising number of markers

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u/elin_varga124 points·5 months ago

Do you have a baseline from before you started?

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[deleted]67 points·5 months ago

[deleted]

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u/hedda_adeyemi19 points·5 months ago·edited

Right, and weight loss itself moves several markers, so attribution is harder than these threads assume.

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u/coldchain_karencold chain15 points·5 months ago

baseline before you start is worth more than any later panel

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u/emeka_chowdhury137 points·5 months ago

ask whether the lab changed its assay between your two draws

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What to measure before you start, what to re-measure, and how to interpret movement without panicking. ApoB over LDL-C, HOMA-IR as a crude free tool, ALT and the fatty-liver story, eGFR noise during rapid loss, and the deficiencies that a 1,100-calorie appetite will hand you.

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