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
140Posts 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. Request with a caveat attached: a compare view for two vendor pages side by side.…
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Pooling trials with different estimands Replied, post #131 · Evidence › Meta-analyses · 26 Jul 2026 · 0 likes Subgroup analysis: sometimes a meta-analysis reports separate pooled estimates for different subgroups (e.g., by baseline body mass index or by trial duration). Be…
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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 #13 rather than contradicting it. Taking egfr fluctuation seriously for a moment rather than deflecting: the honest position is that the community has…
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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. Dose hold versus tapering: if a temporary shortage forces a gap, holding your dose and…
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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. Where the GHRH analogues versus ghrelin mimetics reasoning breaks down for me is the step from the…
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Here for the analytics and not much else Replied, post #34 · Lounge › Introductions · 14 Jul 2026 · 4 likes If you are arriving from somewhere louder, the pace here will feel slow. A topic can sit for two days and then get a reply that is worth the wait. That is the design…
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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. Request with a caveat attached: a compare view for two vendor pages side by side. The caveat is that 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 Hold a trial to the standard something could actually have met. A criticism that no achievable design could have answered is a criticism of the field rather than of the…
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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 Post the arithmetic you already did. Half the questions here are answered by someone spotting which line of your working is wrong, and that is impossible if you only…
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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. I would keep STEP 1 and the decision it usually gets used for separate in this thread.…
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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. Reports of ordinary results are more valuable than reports of remarkable ones, precisely because only the…
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Sleep quality changes during weight loss Replied, post #11 · Wellbeing › Sleep · 6 Jul 2026 · 0 likes Useful. I have added it to my own notes with the date on it.