4.7 Article

Evaluation of the relationship between serum levels of zinc, vitamin B12, vitamin D, and clinical outcomes in patients with COVID-19

Journal

JOURNAL OF MEDICAL VIROLOGY
Volume 94, Issue 1, Pages 141-146

Publisher

WILEY
DOI: 10.1002/jmv.27277

Keywords

25(OH)D; clinical outcome; COVID-19; vitamin B12; zinc

Categories

Funding

  1. North Khorasan University of Medical Sciences, Bojnurd, Iran [99/P/1372]

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This study found that serum levels of zinc, vitamin B12, and 25(OH)D at the time of admission may affect clinical outcomes in COVID-19 patients, but these differences were not statistically significant for some nutrients.
Due to the known anti-inflammatory and antiviral effects of zinc, 25(OH)D, and vitamin B12, in this study, we explored the association between serum levels of these micronutrients in coronavirus disease 2019 (COVID-19) patients at the time of admission and the clinical outcomes. This study was carried out on 293 patients with COVID-19, who were hospitalized at Imam Hassan hospital (Bojnourd, Iran). We collected demographic data, clinical characteristics, values of serum biochemical parameters in the first week of admission, and clinical outcomes from electronic medical records. We also measured serum levels of zinc, 25(OH)D, and vitamin B12 within 3 days of admission. Of the 293 hospitalized, the median age was 53 years, and 147 (50.17%) were female. Thirty-seven patients (12.62%) were admitted to the intensive care unit (ICU), and forty-two (14.32%) died. We found that the serum levels of zinc, vitamin B12, and 25(OH)D were lower in patients who died than those who were admitted to ICU or non-ICU and survived; however, these differences were not statistically significant for vitamin B12 and 25(OH)D (p > 0.05). The serum concentrations of zinc, vitamin B12, and 25(OH)D at the time of admission did not affect the length of hospital stay in patients with COVID-19. In general, it seems that serum levels of 25(OH)D, vitamin B12, and especially zinc at the time of admission can affect clinical outcomes in COVID-19 patients.

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