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Volume 29, Number 7—July 2023
Research Letter

Long-Term SARS-CoV-2 Antibody Seroprevalence in Blood Donors, Italy

Martina Ferrari, Lorenza Di Marco, Alessandra Pivetti, Stefania Paduano, Chiara Vecchi, Veronica Bernabucci, Rosina Maria Critelli, Simone Lasagni, Monica De Maria, Donatella Venturelli, Monica Pecorari, Giorgia Boaretto, Giulia Fregni Serpini, Dante Romagnoli, Roberto Mantovani, Giovanni Battista Ceccherelli, and Erica VillaComments to Author 
Author affiliations: University of Modena and Reggio Emilia and Azienda Ospedaliero-Universitaria di Modena, Modena, Italy (M. Ferrari, L. Di Marco, A. Pivetti, V. Bernabucci, R.M. Critelli, S. Lasagni, E. Villa); Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena (L. Di Marco, S. Lasagni); University of Modena and Reggio Emilia Modena (S. Paduano); Azienda Ospedaliero-Universitaria di Modena, Modena (C. Vecchi, M. De Maria, D. Venturelli, M. Pecorari, G. Boaretto, G.F. Serpini, D. Romagnoli, G.B. Ceccherelli); Associazione Italiana Volontari Sangue, Modena (R. Mantovani)

Main Article

Table

Factors associated with the risk of severe COVID-19 development in blood donors, Italy*

Univariate analysis
 Multivariate analysis
Variable OR (95% CI) p value OR (95% CI) p value
Age 0.985 (0.973–0.996) 0.008 0.984 (0.964–1.005) 0.135
Sex 1.047 (0.755–1.453) 0.783
Body mass index 1.001 (1.000–1.002) 0.178
Smoking
 0.498 (0.193–1.287)
 0.150
Concurrent conditions 0.600 (0.299–1.205) 0.151
Allergic rhinitis 0.180 (0.043–0.757) 0.019 0.170 (0.40-0.719) 0.016
ACE inhibitor use
 0.181 (0.089–0.365)
 <0.011
1.036 (0.452–2.373)
 0.933
Chronic therapies 0.793 (0.392–1.6020) 0.517
Influenza vaccination 0.678 (0.276–1.666) 0.397
Family case of SARS-CoV-2 infection 0.938 (0.407–2.159) 0.880
Education level 1.248 (0.824–1.892) 0.296
Municipality of residence 1.011 (0.996–1.027) 0.134

*Bold text indicates significance. ACE, angiotensin-converting enzyme.

Main Article

Page created: April 26, 2023
Page updated: June 21, 2023
Page reviewed: June 21, 2023
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