PSM retrospective 378 hospitalized patients in Brazil, showing lower mortality for patients that were on ivermectin prophylaxis before admission (not taking into account the lower risk of being hospitalized shown in the related larger study). 47124221.2.0000.5485.
risk of death, 45.0% lower, RR 0.55, p = 0.046, treatment 12 of 52 (23.1%), control 22 of 52 (42.3%), NNT 5.2, adjusted per study, propensity score matching, multivariable.
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This study is excluded in meta
patients in this study are a subset of those in a larger study, not taking into account the lower risk of hospitalization shown in the related larger study.
Kerr et al., 12/31/2021, retrospective, propensity score matching, Brazil, South America, preprint, 9 authors, study period July 2020 - December 2020, dosage 200μg/kg days 1, 2, 16, 17, 0.2mg/kg/day for 2 days every 15 days.