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A comment on The First Randomized Controlled Trial on Vitamin D and Covid-19. Parent comment

Re:The First Randomized Controlled Trial on Vitamin D and Co... by SketchySeaBeast on Thursday September 03, 2020 @04:21PM (#24368433)
I understand the objections to BMI comparisons at an individual level (though I believe people think themselves a bit too exceptional too often), but as part of a larger study, I would think it'd make a good additional data point, no?
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Re:The First Randomized Controlled Trial on Vitamin D and Co... by altvali on Thursday September 03, 2020 @04:25PM (#24368492)
It most definitely would, but measuring body fat percentage would be better.
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Re:The First Randomized Controlled Trial on Vitamin D and Co... by SketchySeaBeast on Thursday September 03, 2020 @04:31PM (#24368542)
But then you couldn't easily extrapolate to the population. Well, you could, but you'd require the population to have an understanding of their body fat percentages. BMI isn't ideal, but it's quick and dirty, easy to collect and it should be relatively reliable for the population.
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Re:The First Randomized Controlled Trial on Vitamin D and Co... by greenbush on Thursday September 03, 2020 @06:21PM (#24369548)
It's not that straightforward as the BMI thresholds vary by ethnicity: https://www.hsph.harvard.edu/obesity-prevention-source/ethni...
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