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Comparison of COVID-19 outcomes with alpha-1-antitrypsin deficiency prevalence: A cross-sectional study.
  • Yılmaz Sezgin,
  • Sinan Becel
Yılmaz Sezgin
Istanbul Training Research Hospital
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Sinan Becel
Bahçelievler State Hospital
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Abstract

Background: We hypothesized that the geographic distributions of COVID-19 prevalence and risky alpha-1-antitrypsin allele prevalence are similar. We aimed to investigate whether there is a relationship between the geographical density of the COVID-19 pandemic and the distributions of risky alpha-1-antitrypsin alleles. Methods: This research is a cross-sectional study. Alpha-1-antitrypsin PI*SZ and PI*ZZ genotypes frequencies of European and American countries were compared with the case and death data related to the COVID-19 pandemic as of March 30, 2021. The relationship between the data was evaluated using Linear regression analysis. Results: According to the linear regression analysis results, a significant relationship was found between the number of COVID-19 cases in both European and American countries and the sum of PI*SZ and PI*ZZ genotypes. Similarly, according to the linear regression analysis results, a significant relationship was found between the COVID-19 death numbers in both European and American countries and the sum of PI*SZ and PI*ZZ genotypes. Conclusions: The findings showed that the prevalence distribution of the risky alleles of the gene defect that causes alpha-1-antitrypsin insufficiency is related to the prevalence of COVID-19 pandemic data.