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0 0.5 1 1.5 2+ IgG positive 27% unadjusted Improvement Relative Risk c19hcq.com Mahto et al. HCQ for COVID-19 PrEP Favors HCQ Favors control
Mahto, 689 patient HCQ prophylaxis study: 27% lower IgG positivity [p=0.38] https://c19p.org/mahto
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Seroprevalence of IgG against SARS-CoV-2 and its determinants among healthcare workers of a COVID-19 dedicated hospital of India
Mahto et al., American Journal of Blood Research, 11:1
15 Feb 2021    Source   PDF   Share   Tweet
Retrospective 689 healthcare workers in India, showing no significant difference in IgG positivity with HCQ prophylaxis in unadjusted results.
risk of IgG positive, 26.9% lower, RR 0.73, p = 0.38, treatment 9 of 89 (10.1%), control 84 of 600 (14.0%), NNT 26, unadjusted, odds ratio converted to relative risk.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
This study is excluded in the after exclusion results of meta analysis: unadjusted results with no group details.
Mahto et al., 2/15/2021, retrospective, India, South Asia, peer-reviewed, 6 authors.
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