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"Variant" variable analysis: Vaccination subset at 56 days

"Variant" variable analysis: Vaccination subset at 56 days

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"Variant" variable analysis: Vaccination subset at 56 days
An Independent Analysis of a Retrospective Cohort of 30,423 Covid-19 Patients Treated at IHU-Mediterranean in Marseille, France: Part 2, a Real-life Assessment of Covid-19 Vaccination Efficacy
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  • Mar 2024
A cohort of 30,423 Covid-19 patients treated between March 2020 and December 2021 at the IHU-Méditerranée Infection in Marseille (France) was retrospectively analyzed in terms of treatment attempted and disease worsening factors to quantify vaccination efficacy with respect to the composite endpoint of transfer to intensive care unit or death, with...
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Context 1
... reference for the "Variant" categorical variable was set to B.1.7.7 (UK) instead of B.1.160 (Marseille 4) because of too few vaccinated individuals and an absence of event in the vaccinated group for the variant Marseille 4 category (see Table 2) leading to strong model bias. ...

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... Analysis of the IHU Méditerrannée data on vaccination showed, among other results, the capacity of the Covid-19 vaccine to worsen the Covid-19 disease condition in some cases of severe underlying chronic illness, in the elderly patients and when the disease severity necessitated hospital admission. Additionally, sensitivity analysis showed that vaccination had no efficacy below 50 years of age [27]. Didier Raoult reported in his recent book an increased incidence of cases immediately after the vaccine injections [28]. ...
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