COVID-19 studies:  C19 studies: C19:  IvermectinIVM Vitamin DV.D HC QHC Q Vitamin CV.C ZincZn PXPX BHBH FPVFPV FLVFLV PVP-IPI CICI BLBL RDRD
HCQ study #204 of 280
11/28 Late treatment study
Lambermont et al., Critical Care Explorations, doi:10.1097/CCE.0000000000000305 (Peer Reviewed)
Predictors of Mortality and Effect of Drug Therapies in Mechanically Ventilated Patients With Coronavirus Disease 2019: A Multicenter Cohort Study
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Retrospective 247 mechanically ventilated patients showing lower mortality with HCQ, but not statistically significant on multiple Cox regression.
The paper gives the p value for multiple Cox (0.46) and simple Cox (0.02), but does not specify the adjusted risk values.

Lambermont et al., 11/28/2020, retrospective, Belgium, Europe, peer-reviewed, 15 authors.
risk of death, 32.3% lower, RR 0.68, p = 0.46, treatment 97 of 225 (43.1%), control 14 of 22 (63.6%), 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 280 studies    Meta analysis
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