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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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All Studies   Meta Analysis   Recent: 
0 0.5 1 1.5 2+ Mortality 34% Improvement Relative Risk c19early.org/z Yao et al. Zinc for COVID-19 LATE TREATMENT Favors zinc Favors control
The Minimal Effect of Zinc on the Survival of Hospitalized Patients With COVID-19
22 Jul 2020    Source   PDF   Share   Tweet
Retrospective 242 hospitalized patients in the USA showing adjusted hazard ratio for zinc treatment, aHR 0.66 [0.41-1.07]. [ncbi.nlm.nih.gov] notes that the study would be more informative if baseline serum zinc levels were known.
Although the 34% lower mortality is not statistically significant, it is consistent with the significant 28% lower mortality [8‑44%] from meta analysis of the 18 mortality results to date.
risk of death, 34.0% lower, RR 0.66, p = 0.09, treatment 73 of 196 (37.2%), control 21 of 46 (45.7%), adjusted per study, multivariate Cox regression.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Yao et al., 22 Jul 2020, retrospective, USA, peer-reviewed, 9 authors.
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This PaperZincAll
Late treatment
is less effective
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