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Horizonte Médico (Lima)
Print version ISSN 1727-558X
Abstract
OSCANOA, Teodoro J. et al. Relationship between ABO blood groups and mortality from SARS-CoV-2 infection in hospitalized patients. Horiz. Med. [online]. 2022, vol.22, n.2, e1698. Epub July 07, 2022. ISSN 1727-558X. http://dx.doi.org/10.24265/horizmed.2022.v22n2.10.
This study aimed to determine the relationship between ABO blood groups and mortality in patients hospitalized for severe SARS-CoV-2 infection. An observational and retrospective research was conducted in a tertiary care hospital in Lima, Peru. A total of 203 patients with a mean age of 62.58 ± 16.45 years were included in the research, out of whom 71.92 % were males. The frequency of O, A and B blood groups were 75.37 %, 17.24 % and 7.39 %, respectively. An association with mortality from severe COVID-19 infection was found with non-A blood groups (O group or B group), with a PR (prevalence ratio) of 2.25 and 95% CI (confidence interval) of 1.07 - 4.71. When adjusting the main variables, the association with PR remained in 2.78 and 95% CI in 1.06 - 7.24. In conclusion, patients hospitalized for severe SARS-CoV-2 infection with O and B blood groups seem to be associated with higher mortality rates than those with A blood group.
Keywords : ABO Blood-Group System; Coronavirus Infections; Mortality; Risk Factors.