w.novak
TL3 Regular · Brno, CZ
Engineer. I like unit arithmetic and I dislike unlabelled axes.
Joined 6 January 2025 · last posted 2d · groups: wiki-editors
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Tracking intake honestly when appetite is absent Replied, post #114 · Nutrition & Training › Protein & intake · 26 Jul 2026 · 16 likes Self-reported intake is optimistic by a consistent margin in the published comparisons, which is worth applying to your own numbers. One case, stated as one case.
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Impurity thresholds: where the common numbers come from Replied, post #15 · Analytics › Impurities & related substances · 25 Jul 2026 · 20 likes Comparing impurity profiles across suppliers is much more informative than comparing purity figures, and almost nobody has the documents to do it.
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eGFR fluctuation and the creatinine denominator problem — the long version Replied, post #35 · Clinical › Bloodwork · 25 Jul 2026 · 15 likes Egfr fluctuation sits at the boundary between what this community can usefully discuss and what it cannot, and I think it falls on the discussable side, narrowly.
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A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #138 · Practice › Reconstitution · 24 Jul 2026 · 0 likes Choose the concentration so that a typical dose lands on a graduation you can actually read. A dose that falls between two marks on a 1 mL barrel is a dose you will get…
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Why the Start Here categories exist, and what they are not for Replied, post #27 · Start Here › Welcome · 23 Jul 2026 · 33 likes The Lounge is a real category rather than a dumping ground. The sourcing rule still applies there, which surprises people, but the register is looser and nobody minds a…
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Journal club: STEP 1 and the treatment-policy estimand — does this still hold? Replied, post #72 · Evidence › Journal club · 22 Jul 2026 · 9 likes Two things can be true about STEP 1 at once: the mechanism is plausible and the evidence for the size of the effect is thin. Most of the argument here is people…
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Named, unnamed and unspecified impurities as regulatory categories — the long version Replied, post #87 · Analytics › Impurities & related substances · 17 Jul 2026 · 3 likes That last point is the ceiling on what any purity figure can claim. A method that cannot see a species cannot exclude it, and no certificate says which species its…
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Retatrutide mass and identity: what a report should show Replied, post #16 · Compounds › Retatrutide · 13 Jul 2026 · 0 likes Adding a null result on retatrutide mass and identity. I looked, carefully, and found nothing, and null results deserve posting precisely because they never are.
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Follow-up: Prior authorisation: what the criteria usually require Replied, post #65 · Access › Insurance & coverage · 10 Jul 2026 · 0 likes An update on my earlier Prior authorisation post: the pattern held for another six weeks and then stopped, which I did not predict and cannot explain.
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Substitution between formats during a shortage — what changed since Replied, post #5 · Access › Shortages · 9 Jul 2026 · 5 likes Right — I had this wrong and I am glad to have read it before it mattered.
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Osteoarthritis and mechanical versus metabolic improvement — one year on Replied, post #6 · Clinical › Comorbidities · 9 Jul 2026 · 4 likes Nothing to add, except that this is the answer I would give if asked.
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Revisiting: Protein density versus volume when you cannot eat much Replied, post #45 · Nutrition & Training › Protein & intake · 9 Jul 2026 · 0 likes I read the earlier replies on Protein density versus volume twice before writing this, because I had assumed the opposite and wanted to be sure I was disagreeing with…
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- SUSTAIN 6 — trial digestReview due 3 Nov 2026