Vitamin D reduces hospital risk

Vitamin D deficiency is associated with higher hospitalisation risk from COVID-19: a retrospective case-control study (June 2021) Not funded Large scale, retrospective case-control study North West of England Two hospital groups Lancaster and Tameside and Glossop Objective Is hospitalisation with COVID-19 more prevalent with lower vitamin D levels Individuals with results of serum 25-hydroxyvitamin D (25[OH]D) 1st April 2020 and 29th January 2021 Deficient = less than 25 nmol/L (10 ng/ml) Insufficient = 25-50 nmol/L (10 to 20 ng/ml) N = 80,670 1,808 were admitted to hospital with COVID-19 670 died Primary cohort, n = 58,368 Median vitamin D levels in participants not hospitalised 50 nmol/L (20ng/ml) (interquartile range, IQR nmol/L) Median vitamin D levels in participants hospitalised 35.0 nmol/L (14 ng/ml) (interquartile range, ) p less