Correlation of Plasma 25(OH)D 3 and Vitamin D Binding Protein Levels with COVID-19 Severity and Outcome in Hospitalized Patients.

than non-critical patients, yet, levels were found to be suboptimal in both groups. Further, critical patients had higher DBP levels as compared to non-critical patients. This finding may encourage future research to unravel the effects of this understudied protein that appears to have significant associations with inflammation, even though the precise mechanism is unknown.