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Article Publish Status: FREE
Abstract Title:

Interaction between age and vitamin D deficiency in severe COVID-19 infection.

Abstract Source:

Nutr Hosp. 2020 Oct 21 ;37(5):1039-1042. PMID: 32960622

Abstract Author(s):

Fernando Macaya, Carolina Espejo Paeres, Adrián Valls, Antonio Fernández-Ortiz, Juan González Del Castillo, F Javier Martín-Sánchez, Isabelle Runkle, MiguelÁngel Rubio Herrera

Article Affiliation:

Fernando Macaya

Abstract:

Background: coronavirus disease 2019 (COVID-19) can induce an exaggerated inflammatory response. Vitamin D is a key modulator of the immune system. We hypothesized that vitamin D deficiency (VDD) could increase the risk of developing severe COVID-19 infection. Methods: patients with confirmed COVID-19 seen at the emergency department of our hospital with recent measurements of 25(OH)D were recruited. We explored the association of vitamin D deficiency (VDD), defined as 25-hydroxyvitamin D<20 ng/mL, with a composite of adverse clinical outcomes. Results: we included 80 patients, of which 31 (39 %) presented the endpoint. VDD tended to predict an increased risk of developing severe COVID-19 after adjusting for age, gender, obesity, cardiac disease, and kidney disease [OR 3.2 (95 % CI: 0.9-11.4), p = 0.07]. Age had a negative interaction with the effect of VDD on the composite outcome (p = 0.03), indicating that the effect was more noticeable at younger ages. Furthermore, male gender was associated with VDD and with severe COVID-19 at younger ages. Conclusions: in this retrospective study, vitamin D deficiency showed a signal of association with severe COVID-19 infection. A significant interaction with age was noted, suggesting VDD may have a greater impact in younger patients. These findings should be confirmed in larger, prospective, adequately powered studies.

Study Type : Human Study

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