Retrospective 117 patients, 58 HCQ showing lower mortality for HCQ patients.
Version 1 of this paper stated: "HCQ, AZ, [and ...] were found to be independently associated with survival when treatment commenced at FACTCLINYCoD scores <3".
Synolaki et al., 9/5/2020, retrospective, Greece, Europe, preprint, 20 authors.
risk of death, 23.6% lower, RR 0.76, p = 0.27, treatment 21 of 98 (21.4%), control 60 of 214 (28.0%).
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.