I decided to delve into the "Vitamin D can cure COVID-19" articles to see what the fuss is about and this is WILD Blog forthcoming, but holy shit this is the worst argument I've seen in a very long timepic.twitter.com/UUIZzPtUTN
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Well, their statistical analysis is wrong - they are predicting Vitamin D levels using clinical outcomes, which is entirely the wrong way around. With no control for age at all, hard to know what any of it means unfortunately
Maybe I’m reading the paper wrong then (and Dr John Campbell too) https://www.youtube.com/watch?v=GCSXNGc7pfs&t=873s … The vitamin D levels are measured not predicted. They adjust for age and comorbidity. (and of course severe defficiency would contribute to some comorbidities)pic.twitter.com/AbUvlpyA6X
That's not the paper you linked to, but it has its own issues as well. Not a very good analysis, and the patient selection process was a worry - this is actually a case-control study where they picked people based on whether they died from COVID-19
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