Vitamin D Levels in SARS-CoV-2: Do Current Adequacy Thresholds Reflect Clinical Risk? Insights From a Large Turkish Cohort

To find out vitamin D levels and it's relation with the disease severity serum 25-hydroxy-vitamin D levels, 1100 confirmed Covid-19 patients with available laboratory findings were included. Exlucion Criterias: Using immunsuppresan medical treatment. Using vitamin D or replacement history of vitamin D in last 3 months. Patients with malnutrition, immun deficiency, chronic infections, chronic other diseases such as rheumatoid arthritis, ankylosing spondilitis, lupus, hemplegia, paraplegia etc.