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HCQ study #199 of 255
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.
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