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0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Hospitalization 13% Improvement Relative Risk c19zinc.com/abdulateefz.html Favors zinc Favors control
8 April 2021 - Prophylaxis study
COVID-19 severity in relation to sociodemographics and vitamin D use
Abdulateef et al., Open Medicine, doi:10.1515/med-2021-0273 (Peer Reviewed)
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Survey of 428 recovered COVID-19 patients in Iraq, showing fewer hospital visits for patients on prophylactic vitamin C or D. Hospitalization was lower for those on vitamin C, D, or zinc, without statistical significance.
risk of hospitalization, 13.1% lower, RR 0.87, p = 0.83, treatment 7 of 111 (6.3%), control 23 of 317 (7.3%), NNT 105, unadjusted.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
This study is excluded in the after exclusion results of meta analysis: unadjusted results with no group details.
Abdulateef et al., 4/8/2021, retrospective, Iraq, Middle East, peer-reviewed, 7 authors, study period July 2020 - August 2020.
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