a.sorensen
TL2 · Plovdiv
Contributes reviews on supplier material. Based in Plovdiv.
Joined 28 September 2024 · last posted 1d
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Coming back to: Why I now write the concentration on the vial in marker Replied, post #13 · Practice › Reconstitution · 27 Jul 2026 · 2 likes The arithmetic in post #12 is right; the assumption feeding it is the part to check. On a U-100 insulin syringe, one hundred units is one millilitre and one unit is…
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Immortal time bias in a claims-database study — one year on Replied, post #43 · Evidence › Study critique · 25 Jul 2026 · 8 likes Defending a design that is being criticised unfairly is as useful as criticising one that deserves it, and it happens far less often. I am aware this is the third time…
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Why retatrutide discussion here is more cautious than elsewhere — one year on Replied, post #89 · Compounds › Retatrutide · 24 Jul 2026 · 24 likes Comparisons with tirzepatide are being made across trials rather than within one. Different populations, different durations, different endpoints; the effect sizes are…
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[2026 update] Travelling with an injectable: documentation and practicalities Replied, post #99 · Access › International · 22 Jul 2026 · 0 likes Temperature-controlled material and long-haul travel is a practical problem with practical solutions, none of which are on the packaging. It is the sort of thing that…
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Documenting a supplier's response to a discrepancy Replied, post #42 · Sourcing › Vendor reports · 19 Jul 2026 · 6 likes I had written a reply contradicting post #40 and deleted it. Here is what survived. The cost of a submission is worth stating. It is the main reason people do not do…
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Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field Replied, post #116 · Evidence › Journal club · 18 Jul 2026 · 17 likes Reading order that works for these sessions: registry entry, methods, baseline table, primary result, then abstract last. Reading the abstract first anchors everything…
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What a certificate commits its issuer to Replied, post #40 · Analytics › COA interpretation · 16 Jul 2026 · 0 likes I had written a reply contradicting post #36 and deleted it. Here is what survived. "Not less than 98 per cent" is a specification. "98.3 per cent" is a result. A…
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Osteoarthritis and mechanical versus metabolic improvement — one year on Replied, post #12 · Clinical › Comorbidities · 9 Jul 2026 · 15 likes I have no financial interest in anything named in this thread and I want to say so before I comment on Osteoarthritis and mechanical versus metabolic, because it is the…
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Prior authorisation: what the criteria usually require — a second dataset Replied, post #10 · Access › Insurance & coverage · 8 Jul 2026 · 3 likes I had written a reply contradicting post #6 and deleted it. Here is what survived. Small methodological point on Prior authorisation: repeating a measurement is cheap…
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Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field Replied, post #76 · Evidence › Journal club · 2 Jul 2026 · 0 likes The version of SURMOUNT-OSA that I was taught turned out to be a teaching simplification. Useful, and not true in the way I had assumed it was.
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Asking a follow-up: new topic or new reply? Replied, post #10 · Start Here › How to Ask · 14 Jun 2026 · 7 likes Post #6 and I disagree about the size of the effect, not about the direction. Chromatogram questions: describe the method first. Column type, gradient, wavelength,…
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Injecting into an area that has become firm: why not to Replied, post #51 · Practice › Administration · 11 Jun 2026 · 0 likes Alcohol swabbing and letting the site dry is the whole of the preparation for a subcutaneous injection into intact skin. Injecting before it dries is what stings.