-García et al., Cir Cir. 2020, 88:5, 569-575, doi:10.24875/CIRU.20000675 (Peer Reviewed)
Small retrospective study of 56 ICU patients in Mexico showing HCQ RR 1.1, p
Sosa et al., 6/29/2020, retrospective, Mexico, North America, peer-reviewed, baseline oxygen requirements 100.0%, 6 authors.
risk of death, 10.5% higher, RR 1.11, p = 1.00, treatment 7 of 38 (18.4%), control 3 of 18 (16.7%).
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.