4 May 2020 - Prophylaxis study
Association of previous medications with the risk of COVID-19: a nationwide claims-based study from South Korea
et al., medRxiv, doi:10.1101/2020.05.04.20089904 (Preprint)
Retrospective database analysis of 65,149 in South Korea, showing significantly lower cases with existing N-acetylcysteine treatment.
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risk of case, 26.2% lower, RR 0.74, p < 0.001, treatment 710 of 13,788 (5.1%), control 4,462 of 51,361 (8.7%), NNT 28, adjusted per study, odds ratio converted to relative risk, multivariable.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. |
Huh et al., 5/4/2020, retrospective, database analysis, South Korea, Asia, preprint, 10 authors.
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