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Home   COVID-19 treatment studies for Vitamin D  COVID-19 treatment studies for Vitamin D  C19 studies: Vitamin D  Vitamin D   Select treatmentSelect treatmentTreatmentsTreatments
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0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Death at day 26 71% Improvement Relative Risk Death at day 10 90% c19vitamind.com/carpagnano.html Favors vitamin D Favors control
9 August 2020 - Analysis of outcomes based on serum levels
Vitamin D deficiency as a predictor of poor prognosis in patients with acute respiratory failure due to COVID-19
Carpagnano et al., J. Endocrinol. Invest., 2020, Aug 9, 1-7, doi:10.1007/s40618-020-01370-x (Peer Reviewed)
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Retrospective study 42 patients with acute respiratory failure, 81% with low vitamin D levels.
After 10 days, patients with severe vitamin D deficiency had a 50% probability of dying, while those with vitamin D ≥ 10 ng/mL had a 5% mortality risk, RR 0.1, p = 0.019.
risk of death at day 26, 70.6% lower, RR 0.29, p = 0.0499, high D levels 5 of 34 (14.7%), low D levels 4 of 8 (50.0%), NNT 2.8, >30 ng/mL.
risk of death at day 10, 90.0% lower, RR 0.10, p = 0.02, high D levels 2 of 34 (5.9%), low D levels 4 of 8 (50.0%), NNT 2.3, adjusted per study, >30 ng/mL.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Carpagnano et al., 8/9/2020, retrospective, Italy, Europe, peer-reviewed, 10 authors.
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