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A comment on Heart-disease risk soars after Covid, even with a mild case. Parent comment

Re:Heart-disease risk soars after Covid, even with a mild case by kqr on Friday February 11, 2022 @02:50AM (#30298346)
It's not a control if it's self-selected.
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Re:Heart-disease risk soars after Covid, even with a mild case by scarygliders on Friday February 11, 2022 @07:49AM (#30300800)
Nonsense. If a person is unjabbed, they're in the control group, period.
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Re:Heart-disease risk soars after Covid, even with a mild case by kqr on Friday February 11, 2022 @01:16PM (#30304977)
Nope. For the control group to be valid, it must be drawn from the same reference class as the treatment.

You could of course argue that in all respects that matter for the risk of heart disease, people who take vaccines are the same as people who don't. I would disagree, and only a bet could settle the difference.

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