Also worth noting that for the main finding - i.e. people getting plasma early died less than those who got it late - THEY DIDN'T EVEN ADJUST FOR AGE AND SEX That's just...woeful. Maybe people who get plasma later are just older???
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I mean, it's an observational study where they're comparing two groups, getting headlines across the world, but they haven't adjusted that estimate for ANYTHING including things that might make a huge difference
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Have to say, the more I think about it the worse this study looks All these authors and no one thought to adjust for age? Or gender? Or one of the many biases that are likely to be present here?pic.twitter.com/z0UKMVKqTb
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Replying to @GidMK
I'm not for one moment suggesting I agree with these authors' conclusions, & I'm not saying it's a good study... but .....pic.twitter.com/SmseuiSK5O
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Replying to @hildabast
Yes. But the main finding presented in the news and in interviews appears not to have been adjusted for - they used the bootstrapping for the concentration of antibodies but I cannot see the same methodology used for the 3 vs >=4 days
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Replying to @GidMK
But that's not what the tweet I'm challenging said: "All these authors and no one thought to adjust for age? Or gender? Or one of the many biases that are likely to be present here?"
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Replying to @hildabast
But if the analysis is pivotal to their paper, surely it applies? Perhaps I was a bit overdone, but it's just baffling to me and very frustrating to see!
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Replying to @GidMK
A couple of those tweets look to me like you're trying to paint the authors as incompetent when the paper makes it perfectly clear they in fact did what you're accusing them of not doing. I'm no fan of what they've done, but they don't deserve that insult.
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Replying to @hildabast
I'm not trying to paint them as incompetent. I just can't see how that could happen, and then be presented worldwide as fact and truth
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Replying to @GidMK
And telling the world none of the authors thought of adjusting for age etc is "fact" and "truth"? (Anyway, it's an observational study: you can't adjust your way out of that.)pic.twitter.com/VXFYZugg5n
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I mean, they didn't for the primary outcome that was reported pretty much everywhere, so... And yes, absolutely, whether or not they adjusted for age in this case the results are pretty meaningless
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