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Home   COVID-19 treatment studies for Zinc  COVID-19 treatment studies for Zinc  C19 studies: Zinc  Zinc   Select treatmentSelect treatmentTreatmentsTreatments
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0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Mortality 34% Improvement Relative Risk c19zinc.com/yao2.html Favors zinc Favors control
22 July 2020 - Late treatment study
The Minimal Effect of Zinc on the Survival of Hospitalized Patients With COVID-19
Yao et al., Chest, doi:10.1016/j.chest.2020.06.082 (Peer Reviewed)
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Retrospective 242 hospitalized patients in the USA showing adjusted hazard ratio for zinc treatment, aHR 0.66 [0.41-1.07]. [1] notes that the study would be more informative if baseline serum zinc levels were known.
risk of death, 34.0% lower, RR 0.66, p = 0.09, treatment 73 of 196 (37.2%), control 21 of 46 (45.7%), NNT 12, adjusted per study, multivariate Cox regression.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Yao et al., 7/22/2020, retrospective, USA, North America, peer-reviewed, 9 authors.
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