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0 0.5 1 1.5 2+ Mortality 55% Improvement Relative Risk c19hcq.com Boari et al. HCQ for COVID-19 LATE TREATMENT Favors HCQ Favors control
Boari, 258 patient HCQ late treatment study: 55% lower mortality [p=0.001] https://c19p.org/boari
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Prognostic factors and predictors of outcome in patients with COVID-19 and related pneumonia: a retrospective cohort study
Boari et al, Biosci. Rep., doi:10.1042/BSR20203455
17 Nov 2020    Source   PDF   Share   Tweet
Retrospective 258 hospitalized patients in Italy showing lower mortality with HCQ treatment, unadjusted relative risk RR 0.455, p<0.001. Data is in the supplementary appendix.
risk of death, 54.5% lower, RR 0.45, p < 0.001, treatment 41 of 202 (20.3%), control 25 of 56 (44.6%), NNT 4.1.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
This study is excluded in the after exclusion results of meta analysis: unadjusted results with no group details.
Boari et al., 11/17/2020, retrospective, Italy, Europe, peer-reviewed, 20 authors.
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Late treatment
is less effective
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