Applications of quercetin for the prevention of COVID-19 in healthcare workers
Turobkulovich et al., Emergent: Journal of Educational Discoveries and Lifelong Learning
Turobkulovich et al., Applications of quercetin for the prevention of COVID-19 in healthcare workers, Emergent: Journal of Educational Discoveries and Lifelong Learning
Prospective study of healthcare workers in Uzbekistan showing lower mortality and cases with quercetin prophylaxis. Very minimal details are provided, there is no baseline information, and control mortality is very high.
This study is excluded in meta
analysis:
minimal information, no baseline details, very high control mortality without explanation.
risk of death, 96.4% lower, RR 0.04, p < 0.001, treatment 0 of 70 (0.0%), control 6 of 20 (30.0%), NNT 3.3, relative risk is not 0 because of continuity correction due to zero events (with reciprocal of the contrasting arm).
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risk of symptomatic case, 98.5% lower, RR 0.02, p < 0.001, treatment 1 of 70 (1.4%), control 19 of 20 (95.0%), NNT 1.1.
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Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
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Turobkulovich et al., 25 Jan 2023, prospective, Uzbekistan, peer-reviewed, 2 authors.