15/n Ok, so that's all pretty worrying. The results may not be statistically viable, the methodology has quite a few flaws But there's actually a potentially bigger issue
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26/n Anyway, I'm not sure I would rely on this study as evidence for much, despite the large size
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27/n Apologies, one of the above tweets is wrong. The authors did indeed take into account the clustering in their statistical analysishttps://twitter.com/jt_kerwin/status/1386920483916947464?s=20 …
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28/n The more I read this paper, the weirder it sounds. So they randomized ineligible people (how?) from two floors that were not clustered, and then assigned them to vitamin C if the other medications were contraindicated?https://twitter.com/salonium/status/1386922872317247489?s=20 …
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