Survey of Indian doctors not finding a significant effect of HCQ prophylaxis.
Datta et al., 11/6/2020, retrospective, India, South Asia, peer-reviewed, 7 authors.
risk of COVID-19 case, 22.1% lower, RR 0.78, p = 0.47, treatment 16 of 146 (11.0%), control 19 of 135 (14.1%).
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.