17/n But forgetting that, this is a classic example of the ecological fallacy You CANNOT assume that country-level obesity rates apply to the people who got COVID-19 - if you don't check that this is true, whatever you produce is basically nonsensicalhttps://medium.com/@gidmk/why-you-might-be-wrong-about-covid-19-the-ecological-fallacy-e8a47a030902 …
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18/n On top of this, the outcome measure is terrible. There is no attempt to clarify whether the reported deaths from Our World In Data are correct for the country, simply the assumption that Algeria and France have comparable death reporting systems
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19/n The ecological fallacy is at play in terms of death rates as well - deaths/million is a meaningless measure if you don't take infections into account!
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Replying to @c19analysis
It's not a limitation, it's a fundamental flaw. India, for example, is still increasing rapidly in terms of cases and deaths. If you only look at deaths/million, you completely ignore the nature of the epidemic itself
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Replying to @c19analysis
The seroprevalence data for India, thus far, is extremely problematic (very biased samples). But that was just one example - Algeria is increasing in deaths and cases. Comparing them to France, which is stable, on deaths/mil makes no sense
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Replying to @c19analysis
I read the whole thing. As I said, it's a fundamental flaw, not something you can simply explain away, which is one of many things that make this analysis largely uninterpretable. Updating in the future won't fix this, you'd have to redo everything
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You referenced at least a dozen in-vitro studies, gonna have to be more specific
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