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HCQ study #202 of 237
12/4 Late treatment study
Modrák et al., medRxiv, doi:10.1101/2020.12.03.20239863 (Preprint)
Detailed disease progression of 213 patients hospitalized with Covid-19 in the Czech Republic: An exploratory analysis
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Retrospective 213 hospitalized patients in Czech Republic showing lower mortality with HCQ. Subject to confounding by indication.

Modrák et al., 12/4/2020, retrospective, Czech Republic, Europe, preprint, 26 authors.
risk of death, 59.0% lower, RR 0.41, p = 0.04, treatment 108, control 105, Cox (single).
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