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www.thelancet.com

Lancet study shows: those who had SARS-CoV-2 infection have more than three times the risk of dying over the following year compared with those who remain uninfected.

  • Stoned_Ape
    2·
    2 years ago

    How do they know how many of the control group were infected, but never tested?

    • Gaywallet (they/it)@beehaw.org
      1·
      2 years ago

      How do they know how many of the control group were infected, but never tested?

      This is addressed in the ‘strengths and limitations’ section of the discussion. I have copied the relevant text below:

      We are aware of the potential misclassification of reference group (due to people having undiagnosed SARS-CoV-2 infection) which could lead to an underestimation of the true effect of death risk factors (producing more conservative estimates). However, this misclassification is probably limited (owing to the very low prevalence of undiagnosed SARS-CoV-2 infection in the population).

      • Stoned_Ape
        2·
        2 years ago

        However, this misclassification is probably limited (owing to the very low prevalence of undiagnosed SARS-CoV-2 infection in the population).

        Huh. Doesn’t really sound like they have a scientific basis for “very low prevalence”.

        • Gaywallet (they/it)@beehaw.org
          1·
          2 years ago

          I don’t really know enough about Estonia to say, but if you think about it the worst under-reporting real cases in the non-infected cohort could do is minimize the effect size of not being effected as some of these individuals would actually also have the same health risks those who were infected have.