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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 1% Improvement Relative Risk Mechanical ventilation 34% Recovery 6% Hospitalization time 4% c19zinc.com/abdelsalam2z.html Favors zinc Favors control
29 November 2020 - Late treatment study
Do Zinc Supplements Enhance the Clinical Efficacy of Hydroxychloroquine?: a Randomized, Multicenter Trial
Abd-Elsalam et al., Biological Trace Element Research, doi:10.1007/s12011-020-02512-1 (Peer Reviewed)
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191 patient RCT in Egypt comparing the addition of zinc to HCQ, not showing a significant difference. No information on baseline zinc values was recorded. We note that Egypt has a low rate of zinc deficiency so supplementation is less likely to be helpful in Egypt [1, 2].
risk of death, 1.0% lower, RR 0.99, p = 0.99, treatment 5 of 96 (5.2%), control 5 of 95 (5.3%), NNT 1824.
risk of mechanical ventilation, 34.0% lower, RR 0.66, p = 0.54, treatment 4 of 96 (4.2%), control 6 of 95 (6.3%), NNT 47.
risk of no recovery, 5.8% lower, RR 0.94, p = 0.97, treatment 20 of 96 (20.8%), control 21 of 95 (22.1%), NNT 79.
hospitalization time, 3.6% lower, relative time 0.96, p = 0.55, treatment 96, control 95.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Abd-Elsalam et al., 11/29/2020, Randomized Controlled Trial, Egypt, Africa, peer-reviewed, 10 authors.
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