Association of ABO blood group and age with COVID-19 positive test

Ahmet Nalbant1, Ayhan Aydın2, Selçuk Yaylacı1

  • 1Sakarya University, Faculty of Medicine, Department of Internal Medicine - Serdivan/Sakarya, Turquia.

Revista Da Associacao Medica Brasileira (1992)
|July 14, 2021
PubMed

Insights

This study found that the O blood group and younger age are associated with an increased incidence of coronavirus (SARS-CoV-2) disease (COVID-19). These findings may aid in the early detection of COVID-19.

Area of Science:

  • Medical Science
  • Infectious Diseases
  • Immunology

Background:

  • The coronavirus disease (COVID-19) pandemic has had a significant global impact.
  • Understanding risk factors for COVID-19 infection and severity is crucial for public health strategies.
  • Blood groups and Rh factor have been investigated for potential associations with various diseases.

Purpose of the Study:

  • To investigate the relationship between ABO blood groups, Rh factor, and COVID-19.
  • To determine if specific blood types are more susceptible to SARS-CoV-2 infection.
  • To explore the potential of blood groups as a factor in early COVID-19 detection.

Main Methods:

  • Retrospective analysis of 313 hospitalized patients.
  • Patients were categorized as COVID-19 positive or negative via real-time reverse transcription polymerase chain reaction (RT-PCR) testing.
  • Demographic, clinical, ABO blood group, and Rh factor data were collected from hospital records.

Main Results:

  • COVID-19 positive cases were younger on average (57.74±16 years) compared to negative cases (66.41±15 years).
  • A statistically significant association was found between COVID-19 positivity and the O blood group (p=0.011).
  • Increased risk of COVID-19 positivity was observed in younger age groups (31-40, 41-50, 51-60 years).

Conclusions:

  • COVID-19 incidence appears higher in younger individuals and those with blood group O.
  • ABO blood groups may serve as a contributing factor for the early detection of COVID-19 in certain populations.
  • Further research is warranted to elucidate the mechanisms behind these associations.
Abstract

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