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, Caroline Morad Internal Medicine, Gastroenterology and Hepatology Department, Faculty of Medicine, Ain Shams University Search for other works by this author on: Oxford Academic Reem Habeeb Internal Medicine, Gastroenterology and Hepatology Department, Faculty of Medicine, Ain Shams University Search for other works by this author on: Oxford Academic Esraa Yassin Internal Medicine, Gastroenterology and Hepatology Department, Faculty of Medicine, Ain Shams University Corresponding Author: Esraa Taha Yassin, Phone No.: (+2) 01030708783. Email: esrtaha2000@gmail.com Search for other works by this author on: Oxford Academic Salma Khalil Internal Medicine, Gastroenterology and Hepatology Department, Faculty of Medicine, Ain Shams University Search for other works by this author on: Oxford Academic
QJM: An International Journal of Medicine, Volume 117, Issue Supplement_1, June 2024, hcae070.291, https://doi.org/10.1093/qjmed/hcae070.291
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03 July 2024
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Caroline Morad, Reem Habeeb, Esraa Yassin, Salma Khalil, Measurement of Vitamin D Level among Covid-19 Patients and its Correlation with Severity of the Disease, QJM: An International Journal of Medicine, Volume 117, Issue Supplement_1, June 2024, hcae070.291, https://doi.org/10.1093/qjmed/hcae070.291
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Abstract
Background
Coronavirus disease 2019 (covid-19) is defined as illness caused by a novel coronavirus now called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which was first identified among an outbreak of respiratory illness cases in Wuhan City, China. Vitamin D is known to play a key role in the maintenance of bone health and calcium–phosphorus metabolism, yet many other functions of this vitamin have been recently postulated, such as modulation of the immune response in both infectious and autoimmune diseases. Different studies showed that severity of covid-19 infection is directly related to vitamin D level.
Methods
This is an observational cross-sectional study, which includes 80 COVID-19 patients, and admitted in the ward and ICU of EL Medany Hospital, EL Demerdash and EL Obour specialized hospital. All patients had positive PCR for COVID-19. Chest CT without contrast was done for all patients and categorized according to CORAD staging. Serum vitamin D level was measured, besides laboratory inflammatory markers (CRP, ferritin, d-dimer), kidney and liver function tests, and complete blood picture.
Results
Our study included 80 patients; 33 males and 47 females with mean age of (51±10.5 years). Measured Vitamin D level range was (10±9 ng/mL). It was found that male patients had higher level of serum vitamin D (12.6±8.6 ng/mL) than female patients (11.5±9.5 ng/mL) but with no statistically significant difference. The commonest presentations were sore throat (97.5%), and fever (93.75%). COVID-19 patients presenting with cough and fever had highly significantly lower levels of vitamin D than patients not presenting by these symptoms (P-value 0.006, 0.032) respectively. In the current study, patients with CORAD 5 in chest CT had the lowest vitamin D level (9.6±7.8 ng/mL), compared to patients with CORAD 3 (13.6±9.7 ng/mL), and CORAD 4 (11.8 ±8.8 ng/mL). According to the correlation analysis, a decrease in vitamin D levels was associated with more severe COVID-19 cases, with significantly higher blood levels of inflammatory markers CRP and ferritin (P-value 0.02, 0.01). No correlation was found between vitamin D levels and hemoglobin level, white cell count, platelet count, or D-Dimer.
Conclusion
Our findings suggest that the COVID-19-positive individuals with lower vitamin D levels, had significantly higher blood levels of inflammatory markers (Ferritin and CRP), and increased frequencies of ground-glass opacity appearance in chest CT scans. Accordingly, vitamin D deficiency may be a marker of poor prognosis in COVID-19 patients.
Vitamin D Level, Covid-19
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