Berenguer et al., Clinical Microbiology and Infection,
doi:10.1016/j.cmi.2020.07.024 (Peer Reviewed)
Characteristics and predictors of death among 4035 consecutively hospitalized patients with COVID-19 in Spain
Retrospective 4035 hospitalized patients in Spain showing reduced mortality with HCQ (data is in the supplementary appendix).
Berenguer et al., 8/3/2020, retrospective, Spain, Europe, peer-reviewed, 8 authors.
risk of death, 18.2% lower, RR 0.82, p < 0.001, treatment 681 of 2618 (26.0%), control 438 of 1377 (31.8%).
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.