Clinical-Epidemiology Aspect of Inpatients With Moderate or Severe COVID-19 in a Brazilian Macroregion: Disease and Countermeasures
et al., Frontiers in Cellular and Infection Microbiology,
Retrospective 395 hospitalized patients in Brazil, showing higher mortality with HCQ treatment, without statistical significance.
risk of death, 46.1% higher, RR 1.46, p = 0.21, treatment 21, control 374, adjusted per study, odds ratio converted to relative risk, multivariable, control prevalance approximated with overall prevalence.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Silva et al., 5/20/2022, retrospective, Brazil, South America, peer-reviewed, mean age 58.4, 28 authors, study period 25 March, 2020 - 21 October, 2020.