et al., Indian J. Med. Res., June 20, 2020, doi:10.4103/ijmr.IJMR_2234_20 (Peer Reviewed)
4+ doses of HCQ associated with a significant decline in the odds of getting infected, dose-response relationship exists.
Chatterjee et al., 5/28/2020, retrospective, India, South Asia, peer-reviewed, survey, 11 authors.
risk of COVID-19 case, 66.8% lower, RR 0.33, p < 0.001, treatment 12 of 68 (17.6%), control 206 of 387 (53.2%), full course vs. unused.
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.