Among COVID‐19‐positive patients in Turkey in this retrospective cohort study, the group with vitamin D levels of >75 nmol/L had significantly lower D‐dimer and C‐reactive protein (CRP) levels (a marker of inflammation), number of affected...

Vitamin D and calcium deficiency may be related to short-term COVID-19 outcomes and therefore it may improve outcomes to screen and address levels of vitamin D and calcium during treatment.  The study...

This study demonstrated high rates of diabetes among those hospitalized for COVID-19 in Saudi Arabia where severe vitamin D deficiency, among other factors, appeared to be a significant predictor of fatal outcome.

Although the results of this small pilot study suggest a connection between vitamin D status and clinical outcomes in critically ill COVID-19 patients admitted to the ICU...

Patients who were diagnosed with vitamin D deficiency between October 1, 2015 and June 30, 2020 and were also diagnosed with COVID-19 between January 1, 2020 and June 30, 2020 at the University of Florida Health Center.

According to a study of 201 Iranian patients, having low serum vitamin D levels and being overweight may make you more...

The Biochemical Parameters and Vitamin D Levels in ICU Patients with Covid-19: A

Serum25OHD levels were significantly lower in hospitalized COVID-19 patients than in population-based controls of similar age and gender in this study even after researchers adjusted for some related factors. In addition, even though patients...

This study compared vitamin D 25(OH)D plasma levels with different health related scores, inflammatory markers, markers of cellular damage and coagulation and lung radiological findings during COVID-19 illness. Patients with low 25(OH)D...

This retrospective cohort study evaluated the role of serum vitamin D levels in severe disease outcomes among COVID-19 patients in Detroit, MI and found no association of vitamin D levels with mortality, the need for mechanical ventilation, ICU...