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HCQ study #65 of 257
6/19 Late treatment study
Sbidian et al., medRxiv, doi:10.1101/2020.06.16.20132597 (Preprint)
Hydroxychloroquine with or without azithromycin and in-hospital mortality or discharge in patients hospitalized for COVID-19 infection: a cohort study of 4,642 in-patients in France
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Retrospective of 4,642 hospitalized patients in France showing significantly faster discharge with HCQ and HCQ+AZ. No significant effect is seen on 28-day mortality, however many more control patients are still in hospital at 28 days. Other studies show faster resolution for HCQ, suggesting there will be a significant improvement when extending past 28 days. Hopefully authors will extend the analysis. Note that the median age is higher in the group not treated with HCQ or AZ.
For other issues with the adjustments see [1]. Also see the analysis here [2].

Sbidian et al., 6/19/2020, retrospective, database analysis, France, Europe, preprint, 21 authors, whole population HCQ AIPTW adjusted.
risk of death, 5.0% higher, RR 1.05, p = 0.74, treatment 111 of 623 (17.8%), control 830 of 3792 (21.9%), adjusted per study.
risk of no hospital discharge, 20.0% lower, RR 0.80, p = 0.002, adjusted per study.

Effect extraction follows pre-specified rules prioritizing more serious outcomes. For an individual study the most serious outcome may have a smaller number of events and lower statistical signficance, however this provides the strongest evidence for the most serious outcomes when combining the results of many trials.
Details of all 257 studies    Meta analysis
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