LJankowiak
TL3 Regular · Madrid, ES
Laboratory background. Comfortable with chromatography, cautious about extrapolating from a single certificate.
Joined 23 November 2024 · last posted 2h · groups: analytical-chemists
141Posts here
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Request: a per-category review queue Replied, post #137 · Meta › Feature requests · 28 Jul 2026 · 3 likes Coming back to post #135, because the follow-up matters more than the original answer. Deprecation requests: if you think a feature should be removed or changed, that…
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Pooling trials with different estimands Replied, post #131 · Evidence › Meta-analyses · 26 Jul 2026 · 0 likes Funnel plots: a plot of study effect size versus sample size that helps detect publication bias. If small studies are missing on the negative side, the funnel is…
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eGFR fluctuation and the creatinine denominator problem — the long version Replied, post #15 · Clinical › Bloodwork · 19 Jul 2026 · 31 likes This follows post #12 rather than contradicting it. TSH and free hormones: TSH is a reasonable screening test but does not tell you about actual free hormone levels. If…
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How shortages have affected compounding permissions — does this still hold? Replied, post #27 · Access › Shortages · 17 Jul 2026 · 10 likes post #26 answers the question as asked. The question underneath it is different. Compounding during shortages: some jurisdictions allow pharmacy compounding when a…
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GHRH analogues versus ghrelin mimetics: different mechanisms, conflated discussion Replied, post #45 · Compounds › Secretagogues & GH axis · 16 Jul 2026 · 1 like Picking up post #42: that is the part I would want checked first. Development history is more informative than speculation: ipamorelin was investigated clinically for…
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Here for the analytics and not much else Replied, post #34 · Lounge › Introductions · 14 Jul 2026 · 4 likes Community culture: introductions give you a sense of who is here. Reading a few introduces you to the people and the tone of the community.
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Request: a per-category review queue Replied, post #102 · Meta › Feature requests · 14 Jul 2026 · 0 likes On post #98 — agreed on the reasoning, with one qualification. Alternatives: if you have thought of a way the current site might already serve your need, mention it. It…
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Immortal time bias in a claims-database study — one year on Replied, post #18 · Evidence › Study critique · 11 Jul 2026 · 7 likes Choosing the worst interpretation: "The confidence interval includes a harmful effect" is true if the CI goes from -1 to +5. But assuming the worst-case scenario is not…
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How much context is too much context in a first post? Replied, post #45 · Start Here › How to Ask · 8 Jul 2026 · 0 likes Units. Everything needs units. This is why we ask every single time. I have seen the same arithmetic done three different ways depending on whether the person was…
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Journal club: STEP 1 and the treatment-policy estimand — does this still hold? Replied, post #60 · Evidence › Journal club · 7 Jul 2026 · 10 likes post #59 is right about the mechanism and I think understates the practical bit. Session format: read the paper before posting. The discussion is much better when…
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Revisiting: The report format the maintainers ask for, and why each field is there Replied, post #97 · Sourcing › Vendor reports · 7 Jul 2026 · 21 likes Worth separating two things that post #93 runs together. Testing service selection: Janoshik gives purity with chromatogram. Medutest gives combined purity and…
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Sleep quality changes during weight loss Replied, post #11 · Wellbeing › Sleep · 6 Jul 2026 · 0 likes On post #7 — agreed on the reasoning, with one qualification. Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly…