et al., European J. Internal Medicine, doi:10.1016/j.ejim.2020.08.019 (Peer Reviewed)
Retrospective 3,451 hospitalized patients, 30% reduction in mortality with HCQ after propensity adjustment, HR 0.70 [0.59 - 0.84].
Di Castelnuovo et al., 8/25/2020, retrospective, Italy, Europe, peer-reviewed, 110 authors.
risk of death, 30.0% lower, RR 0.70, p < 0.001, treatment 386 of 2634 (14.7%), control 90 of 817 (11.0%), 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.