ArticleInternational journal of MCH and AIDS2022
Correlation Between Plasma Vitamin C Concentration and COVID-19 Outcomes among Patients Seen at a Major Hospital in the United Arab Emirates.
Article in International journal of MCH and AIDS, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 1 citations in OpenAlex.
- Vitamin C deficiency in critically ill COVID-19 patients admitted to intensive care unit.Frontiers in medicine · 2023Article
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Authors and funding
5 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background and Objective: Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is a newly emerged coronavirus that causes coronavirus disease-2019 (COVID-19) with varying degrees of disease manifestations. Vitamin C is an essential water-soluble vitamin with anti-inflammatory, antioxidant, antiviral, and immunomodulatory functions. The study aimed to investigate the association between serum vitamin C concentration and outcomes of COVID-19 among adults in the United Arab Emirates (UAE). Methods: This retrospective observational study included 67 COVID-19 patients aged 30-59 years old. Measurement of vitamin C levels was performed at the National Reference Laboratory, UAE using liquid chromatography-tandem mass spectrometry (LC/MS-MS). The cut-off value was 0.4 mg/dl; plasma levels that ranged from 0.4 to 2 mg/dl were defined as sufficient. Values above 2 mg/dl were recognized as high and values less than 0.4 mg/dl are considered low or deficient. Results: Among the included patients, 58.2% suffered from vitamin C deficiency. We found a statistically significant correlation between the concentration of serum vitamin C and age (p=0.03), the presence of hypertension (p=0.013), diabetes (p=0.01), and the development of pneumonia (p=0.012). There was no significant correlation between the concentration of serum vitamin C and the need for mechanical ventilation, Intensive Care Unit (ICU) admission, COVID-19 severity, or mortality. The risk of COVID-19 severity decreased in patients with sufficient vitamin C levels by 52% compared to patients with vitamin C deficiency (p=0.177). There was a statistically significant correlation between vitamin C sufficiency and low lactate dehydrogenase, C-reactive protein (CRP), and fibrinogen. However, the odds of vitamin C sufficiency in COVID-19 patients were significantly associated with lowering CRP levels (OR=0.99, 95% CI (0.98-1.00), p=0.024). Conclusion and Global Health Implications: Low serum vitamin C concentrations were associated with several demographic characteristics of patients, the presence of pneumonia, and inflammation. Furthermore, improving our social determinants, such as how we live, eat, drink, and vitamin C supplementation could positively impact the future health of the individual, community, and population.
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