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The association between micronutrient and hemogram values and prognostic factors in COVID-19 patients: A single-center experience from Turkey

Ersöz et al., International Journal of Clinical Practice, doi:10.1111/ijcp.14078
Feb 2021  
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Retrospective 310 hospitalized COVID-19 patients in Turkey, showing patients that were admitted to the ICU, intubated, or died had lower vitamin D levels compared to those that were not (statistically significant for ICU admission).
This study includes vitamin B9 and vitamin D.
Ersöz et al., 8 Feb 2021, peer-reviewed, 2 authors.
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The association between micronutrient and hemogram values and prognostic factors in COVID‐19 patients: A single‐center experience from Turkey
Ayşegül Ersöz, Tarık Eren Yılmaz
International Journal of Clinical Practice, doi:10.1111/ijcp.14078
Aim: The contribution of micronutrients to the immune system has been known for a long time. This study aimed to investigate the association between the micronutrient levels and hemogram values and prognostic factors of the disease in COVIDpatients in Ankara City Hospital. Materials and methods: Our study is a descriptive observational study based on a retrospective review of patient files. COVID-19 patients over 18 years of age who were admitted to our hospital between 14 March and 1 June 2020, and with a complete micronutrient profile were included in the study. Age, gender, chronic diseases, micronutrient concentrations in the last 6 months, hemogram data on the day of hospitalization, total length of stay in hospital, and hospitalization to Intensive Care Unit (ICU)-intubation-death status of the patients were obtained from the patient files. Results: A total of 310 patients whose parameters were thoroughly examined were included in our study; 51.9% of them were men and the mean age of all patients was 57.02 ± 18.28 years, and the most common comorbid disease was hypertension. The percentage of patients who were followed in the ICU, were intubated, and died was 34.5%, 13.9%, and 9.4%, respectively. The mean length of hospital stay was 15.87 ± 12.79 days. Low folate, iron, vitamin D, and hemoglobin levels of the patients and high vitamin B12 concentration were more related to poor prognostic factors. The number of white blood cells was significantly higher in patients with a worse prognosis, and the number of lymphocytes was lower in patients with ICU admission but higher in intubated and dead patients. Conclusion : Micronutrient and hemogram values, advanced age, being male, and having comorbid diseases were correlated with the poor prognosis of COVIDinfection. Deficiency of Iron, Folate, and vitamin D should be well-considered in COVID-19. Excessive vitamin B12 and multivitamin supplementation should be avoided by choosing supplement wisely. In addition, attention should be paid to leukocytosis, lymphocyte counts, and anemia during COVID-19 patient follow-up.
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