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New embarrassingly bad study of ivermectin is a textbook example of “confounding by indication”

In short a retroactive database review found that people w/ COVID did worse if given remdesivir (only given to sick inpatients) than ivermectin (only given to well outpatients)🤔
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There are many problems with this “study”.

First it’s generous to even call it a “study.” It’s an *abstract* of a retrospective database review. The whole “article” is less than a page (see below).

It wasn’t pre-registered.

sciencedirect.com/science/articl…
2/
The methods are weird.

They found 1.7 million people w/ COVID. Out of this group they identified 1,072 who received ivermectin (not exactly widely used) & 40k who received remdesivir

The groups were very dissimilar: IVM was 10 yrs younger. They don’t report any comorbidities
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