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Iranians with COVID-19 were 2.3 X more likely to die if low vitamin D – Jan 2021

The Predictive Power of Serum Vitamin D for Poor Outcomes in COVID-19 Patients



Note: - several studies have found that >40 ng is much better than >30 ng

Suspect if this data were re-analyzed for >40 ng that 2.3X ==>10X

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   this study was the 43rd observation

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Background: Considering the high prevalence of vitamin D deficiency worldwide and its relationship with immune response to viral infections, this study attempted to identify the predictive power of serum vitamin D for poor outcomes among the COVID-19 patients.

Methods: This retrospective cohort study included all patients with confirmed COVID-19 hospitalized between 20 February 2020 and 20 April 2020 at a designated COVID-19 hospital, located in Tehran province, Iran. General characteristics, medical history, and clinical symptoms were recorded by trained physicians. Blood parameters including complete blood count, creatinine, lactate dehydrogenase, creatine phosphokinase, erythrocyte sedimentation rate, C-reactive protein, and vitamin D were tested.

Results: This study included 290 hospitalized patients with COVID-19 (the mean age (SD): 61.6 (16.9), 56.6% males), of whom 142 had vitamin D concentrations less than 20 ng/ml, defined as vitamin D deficiency.
COVID-19 patients with vitamin D deficiency were *more likely to

  • die (Crude OR (95% CI): 2.30 (1.25-4.26)),
  • require ICU care (2.06 (1.22-3.46)) and

require invasive mechanical ventilation (2.03 (1.04-3.93)) based on univariate logistic regression results. However, after adjusting for potentials confounders such as gender and age, the association between vitamin D and need to invasive mechanical ventilation lost its significance.

Conclusion: Vitamin D deficiency can be considered as a predictor of poor outcomes and mortality in COVID-19 patients. Therefore, checking serum 25 (OH) D on admission and taking vitamin D supplements according to the prophylactic or treatment protocols is recommended for all COVID-19 patients

Created by admin. Last Modification: Sunday January 24, 2021 19:43:31 GMT-0000 by admin. (Version 7)