Journal
NUTRITION
Volume 91-92, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.nut.2021.111408
Keywords
SARS-CoV-2; COVID-19; 25-hydroxyvitamin D; Pneumonia; Respiratory distress
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The study found that there was no significant difference in serum Vit-D level between COVID-19 patients and sepsis inpatients, and Vit-D level was not significantly correlated with the severity of COVID-19. Both Vit-D deficiency and severe Vit-D deficiency were not associated with a higher risk of ICU admission or in-hospital death, indicating that Vit-D may not be a useful biomarker for predicting prognosis in COVID-19 patients.
Objectives: Although hypovitaminosis D appears to be highly prevalent in patients with coronavirus disease 2019 (COVID-19), its impact on their prognosis remains unclear. Methods: In this study, serum 25-hydroxyvitamin D (Vit-D) level was measured in 200 patients hospitalized with COVID-19. The association between Vit-D and the composite endpoint of intensive care unit (ICU) admission/in-hospital death was explored using univariable and multivariable analyses. Also, serum Vit-D level in patients with COVID-19 was compared with that in age-and sex-balanced COVID-19-negative controls (i.e., 50 inpatients with sepsis). Results: Serum Vit-D level was comparable between patients with COVID-19 and COVID-19-negative inpatients with sepsis (P = 0.397). No significant differences were found in serum Vit-D level according to COVID19 severity at the time of hospital admission (P = 0.299). Incidence rates of the composite endpoint of ICU admission/in-hospital death did not differ significantly between patients with either Vit-D deficiency (i.e., Vit-D <20 ng/mL) or severe Vit-D deficiency (i.e., Vit-D 12 ng/mL) and those without (31% vs 35% with P = 0.649, and 34% vs 30% with P = 0.593, respectively). Vit-D level and status (i.e., Vit-D deficiency and severe Vit-D deficiency) were not prospectively associated with the risk of the composite endpoint of ICU admission/in-hospital death (P 0.05 for all Cox regression models). Conclusions: Regardless of the potential usefulness of Vit-D measurement to guide appropriate supplementation, Vit-D does not appear to provide helpful information for the stratification of in-hospital prognosis in patients with COVID-19. (c) 2021 Elsevier Inc. All rights reserved.
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