Association between ABO Blood Group and COVID-19 Pneumonia Severity: A Cross-Sectional Study from Ethiopia's First Designated COVID-19 Treatment Center

· 2026-09-08 · 原文

DOI：10.64898/2026.09.04.26362275v1?rss=1

ABSTRACT Background: Coronavirus disease 2019 (COVID19), caused by severe acute respiratory syndrome coronavirus 2, spreads rapidly and can cause severe acute respiratory failure; advanced age, chronic disease, and other comorbidities increase the risk of severe infection. By early 2022, more than 477 million cases and 6.11 million deaths had been reported globally. This study assessed the association between ABO blood group and severity of COVID-19 pneumonia among patients admitted to Eka Kotebe General Hospital, Addis Ababa, Ethiopia. Methods: A hospital-based cross-sectional study was conducted using systematic random sampling; data were abstracted from patient records, and severity was modeled using ordinal logistic regression, with multicollinearity and the proportional odds assumptio

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By early 2022, more than 477 million cases and 6.11 million deaths had been reported globally.

2. 领域脉络

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Methods: A hospital-based cross-sectional study was conducted using systematic random sampling; data were abstracted from patient records, and severity was modeled using ordinal logistic regression, with multicollinearity and the proportional odds assumptio

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This study assessed the association between ABO blood group and severity of COVID-19 pneumonia among patients admitted to Eka Kotebe General Hospital, Addis Ababa, Ethiopia.

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