et al., Int. J. Antimicrobial Agents, doi:10.1016/j.ijantimicag.2020.106144 (Peer Reviewed)
Retrospective 8,075 hospitalized patients, 4,542 low-dose HCQ, 3,533 control. 35% lower mortality for HCQ (17.7% vs. 27.1%), adjusted HR 0.68 [0.62–0.76]. Low-dose HCQ monotherapy was independently associated with lower mortality in hospitalized patients.
Patients exposed to others therapies (TCZ, AZ, LPV/RTV) were excluded.
Statistical analysis was performed by an independent group. Calendar time of prescription and immortal time bias was taken into account. Corticosteroids prescriptions was low in both groups.
Catteau et al., 8/24/2020, retrospective, database analysis, Belgium, Europe, peer-reviewed, 11 authors.
risk of death, 32.0% lower, RR 0.68, p < 0.001, treatment 804 of 4542 (17.7%), control 957 of 3533 (27.1%).
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.