medRxiv
Severe vitamin D deficiency is linked to higher mortality
The mortality hazard ratio was 2.03 for participants with under 5 nanograms per millilitre of vitamin D compared with those with at least 20.The mortality hazard ratio was 2.03 for participants with under 5 nanograms per millilitre of vitamin D compared with those with at least 20.
Preprint: cohort study of 412,020 peopleVitamin D deficiency