COVID-19 studies:  C19 studies: C19:  IvermectinIVM Vitamin DV.D HC QHC Q Vitamin CV.C ZincZn PVP-IPVP-I FLVFLV REGNR2 LY-CoVLY RemdesivirRMD
HCQ study #113 of 259
8/13 Late treatment study
Roomi et al., J. Medical Internet Research, doi:10.2196/21758 (Peer Reviewed)
Efficacy of hydroxychloroquine and tocilizumab in patients with COVID-19: A single-center retrospective chart review
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Retrospective 176 hospitalized patients (144 HCQ, 32 control) showing no significant differences with HCQ or TCZ. Confounding by indication.

Roomi et al., 8/13/2020, retrospective, USA, North America, peer-reviewed, 11 authors.
risk of death, 37.7% higher, RR 1.38, p = 0.54, treatment 13 of 144 (9.0%), control 6 of 32 (18.8%), adjusted per study, odds ratio converted to relative risk.

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 259 studies    Meta analysis
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