Aim: This study investigates the association between ABO blood phenotype and COVID-19 severity, measured by intensive care unit admission, need for intubation, hospitalization length and death. It further explores clinical predictors of COVID-19 severity within a primarily Hispanic demographic in San Diego County. Materials & methods: We retrospectively reviewed 942 total patients, 473 with available blood type, hospitalized at five Scripps Health hospitals with COVID-19. Results: No significant association was found between ABO phenotype and COVID-19 severity on multivariate analysis, while a diagnosis of anemia and male sex was associated with all severity outcomes on exploratory analysis. Conclusion: Our results provide relevant clinical correlates of COVID-19 severity and help better elucidate the association between ABO phenotype and COVID-19. Lay abstract In patients diagnosed with COVID-19, identifying those at increased risk for morbidity and mortality is imperative given the wide spectrum of clinical disease manifestations. Emerging evidence supports an association between ABO blood phenotype and COVID-19 disease susceptibility, with additional studies suggesting that certain blood types may augment and/or suppress disease progression. We retrospectively reviewed 942 hospitalized patients in San Diego County with COVID-19 and found no significant association between ABO blood group type and severity outcomes after accounting for confounding variables. Furthermore, a diagnosis of anemia and male sex was universally associated with all COVID-19 severity outcomes on exploratory analyses.
【저자키워드】 COVID-19, Anemia, male, Hispanic, ABO blood type, San Diego, 【초록키워드】 Hospitalized, intensive care, Hospitalization, susceptibility, severity, hospital, COVID-19 severity, Diagnosis, intubation, outcome, COVID-19 disease, Disease progression, Patient, death, phenotype, Manifestations, morbidity and mortality, predictor, Admission, Blood, Blood Group, association, Evidence, Analysis, Male sex, ABO, confounding variables, Support, Abstract, increased risk, Exploratory analysis, help, Exploratory analyses, material, total patients, clinical disease, FIVE, hospitalized patient, imperative, suppress, blood phenotype, diagnosed with COVID-19, Diego, with COVID-19, 【제목키워드】 COVID-19 severity, phenotype, ABO, hospitalized patient,