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Prevalence and clinical outcomes of vitamin D deficiency in COVID-19 hospitalized patients: a retrospective single-center analysis
Tohoku Journal of Experimental Medicine ; 255(2):127-134, 2021.
Article in English | CAB Abstracts | ID: covidwho-1601661
ABSTRACT
Vitamin D attenuates inflammatory responses to viral respiratory infections. Hence, vitamin D deficiency may be a highly significant prognostic factor for severity and mortality in COVID-19 patients. To evaluate the complications and mortality in different vitamin D status groups in COVID-19 hospitalized patients, we conducted this retrospective study on 646 laboratory-confirmed COVID-19 patients who were hospitalized in Shahid Modarres Hospital, Tehran, Iran from 16th March 2020 until 25th February 2021. Overall, patients with vitamin D deficiency, insufficiency and sufficiency were 16.9%, 43.6% and 39.5%, respectively. The presence of comorbidity, length of hospitalization, ICU admission, and invasive mechanical ventilation requirement and overall complications were significantly more in patients with vitamin D deficiency (p-value < 0.001). 46.8% (51/109) of vitamin D deficient patients died due to the disease, whilst the mortality rate among insufficient and sufficient vitamin D groups was 29.4% (83/282) and 5.5% (14/255), respectively. In univariate analysis, age > 60 years (odds ratio (OR) = 6.1), presence of comorbidity (OR = 10.7), insufficient vitamin D status (OR = 7.2), and deficient vitamin D status (OR = 15.1) were associated with increase in COVID-19 mortality (p-value < 0.001). Finally, the multivariate analysis adjusted for age, sex, and comorbidities indicated vitamin D deficiency as an independent risk factor for mortality (OR = 3.3, p-value = 0.002). Vitamin D deficiency is a strong risk factor for mortality and severity of SARS-CoV-2 infection. Vitamin D supplementation may be able to prevent or improve the prognosis of COVID-19 during this pandemic.
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Collection: Databases of international organizations Database: CAB Abstracts Type of study: Observational study / Prognostic study Language: English Journal: Tohoku Journal of Experimental Medicine Year: 2021 Document Type: Article

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Collection: Databases of international organizations Database: CAB Abstracts Type of study: Observational study / Prognostic study Language: English Journal: Tohoku Journal of Experimental Medicine Year: 2021 Document Type: Article