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Journal of Research in Medical Sciences، جلد ۲۸، شماره ۴۸، صفحات ۲۹-۱
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عنوان انگلیسی Vitamin D supplementations and mortality among patients with moderate/severe COVID 19: A meta?analysis of randomized controlled trials
چکیده انگلیسی مقاله Background: Vitamin D deficiency is associated with severe COVID 19 and poor outcomes. However, the role of Vitamin D supplementation on mortality is controversial. The current meta analysis aimed to investigate the same among patients with COVID 19. Materials and Methods: We searched six databases from inception up to July 2023. The keywords used were COVID 19, SARS COV 2, mortality, Vitamin D, calcitriol, cholecalciferol, Calcifediol, survival, death, small dose, and high dose. Eight hundred and sixteen studies were retrieved, 103 full texts were screened, and 14 randomized controlled trials were included in the meta analysis. A structured checklist was used to gather the author’s name, country, year of publication, Vitamin D dose, age, sex, number of patients, mortality, and comorbidities. The Cochrane system for meta analysis (RevMan, version 5.4) was used for the data analysis. Results: No association was found between Vitamin D supplementation and mortality among patients with COVID 19, odd ratio, 1.16, 95% confidence interval (CI), 0.84–1.59, and P = 0.36. No difference between high and low dose Vitamin D supplementation, odd ratio, 0.65, 95% CI, 0.37–1.57, and P = 0.13. In a sub analysis, no significant statistical difference was found between low dose Vitamin D supplementation versus placebo, and when considering patients who were Vitamin D deficient, odd ratio, 1.10, 95% CI, 0.74–1.63. The P = 0.64 and, odd ratio, 0.99, 95% CI, 0.71–1.40, and P = 0.97 respectively. Conclusion: No association was evident between Vitamin D supplementation and mortality among patients with COVID 19 irrespective of doses and Vitamin D status. Further studies are needed to address the timing and frequency of Vitamin D supplementations.
کلیدواژه‌های انگلیسی مقاله COVID?19, mortality, SARS?COV?2, Vitamin D
نویسندگان مقاله | Somayeh Sadeghi


| Farzin Ghiasi


| Mohammad Emamiardestani


| Mina Nickpour


| Roham Gholami


| Mohammad Saeid Khaksar


| Masoud Mansouri


نشانی اینترنتی http://jrms.mui.ac.ir/index.php/jrms/article/view/11602
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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