et al., Intern. Emerg. Med.,
Retrospective database study of 1,021 patients in Ecuador, Germany, Italy, and Spain, showing HCQ propensity score adjusted mortality odds ratio aOR 0.88, p
Núñez-Gil et al., 11/9/2020, retrospective, database analysis, multiple countries, multiple regions, peer-reviewed, median age 68.0, 49 authors.
risk of death, 7.9% lower, RR 0.92, p = 0.005, treatment 200 of 686 (29.2%), control 100 of 268 (37.3%), 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.