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0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Case 18% Improvement Relative Risk Case (b) 29% c19vitaminc.com/beherac.html Favors vitamin C Favors control
3 November 2020 - Prophylaxis study
Role of ivermectin in the prevention of SARS-CoV-2 infection among healthcare workers in India: A matched case-control study
Behera et al., PLoS ONE, doi:10.1371/journal.pone.0247163 (preprint 11/3) (Peer Reviewed)
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Retrospective matched case-control prophylaxis study for HCQ, ivermectin, and vitamin C with 372 healthcare workers, showing lower COVID-19 incidence for all treatments, with statistical significance reached for ivermectin.
HCQ OR 0.56, p = 0.29
Ivermectin OR 0.27, p < 0.001
Vitamin C OR 0.82, p = 0.58
risk of case, 18.0% lower, RR 0.82, p = 0.58, treatment 29 of 67 (43.3%) cases, 38 of 148 (25.7%) controls, adjusted per study, case control OR, model 2 conditional logistic regression.
risk of case, 29.0% lower, RR 0.71, p = 0.24, treatment 29 of 67 (43.3%) cases, 38 of 148 (25.7%) controls, adjusted per study, case control OR, matched pair analysis.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Behera et al., 11/3/2020, retrospective, India, South Asia, peer-reviewed, 13 authors.
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