Resumen

CARDONA-ARIAS, Jaiberth Antonio et al. Seropositivity of HIV and associated factors in donors of a blood bank in the city of Medellin - Colombia, 2005 - 2018. Acta biol.Colomb. [online]. 2020, vol.25, n.3, pp.386-393.  Epub 22-Dic-2020. ISSN 0120-548X.  https://doi.org/10.15446/abc.v25n3.79489.

The objective of this study was to estimate the seropositivity of HIV and associated factors in donors of a blood bank in the city of Medellín- Colombia, 2005 - 2018. A cross-sectional study in 166 603 donors of the Blood Bank of the School of Microbiology. Estimates were based proportions and odds ratios with 95 % confidence intervals. The majority of donors were from the Aburrá Valley, 50.2 % men, 65.4 % altruistic, 59.3 % first time and 81.2 % received outside the blood bank. The general seropositivity of HIV was 0.275 % (95 % CI = 0.25-0.30), the specific proportions were 0.324 % in men and 0.224 % in women; 0.299 % in donors with 18-40 years old and 0.212 % in the group of41-6540 years old, and 0.333 % in donors of first-time, 0.213 % in non-repetitive and 0.149 % in repetitive donors. The conclusion was that the seropositivity of the infection was similar in comparison with previous investigations, with a significant decrease since 2013. The risk of infection was statistically higher in men, under 40 years and first-time donors. All this takes is important to know the baseline and evaluate prevention actions in the study population, guide etiological studies, and improve hemovigilance policies.

Palabras clave : Blood donors; HIV infections; Prevalence; Transfusion medicine.

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