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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+ Mortality 81% Improvement Relative Risk ICU admission 94% Hospitalization time 10% c19vitamind.com/yildiz.html Favors vitamin D Favors control
27 September 2021 - Late treatment study
The prognostic significance of vitamin D deficiency in patients with COVID-19 pneumonia
Yildiz et al., Bratislava Medical Journal, doi:10.4149/BLL_2021_119 (Peer Reviewed)
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Retrospective 207 hospitalized patients in Turkey, 37 with vitamin D levels <30ng/ml treated with a 300,000IU vitamin D, showing lower mortality with treatment.
risk of death, 80.9% lower, RR 0.19, p = 0.04, treatment 1 of 37 (2.7%), control 24 of 170 (14.1%), NNT 8.8.
risk of ICU admission, 94.5% lower, RR 0.06, p = 0.13, treatment 0 of 37 (0.0%), control 14 of 170 (8.2%), NNT 12, relative risk is not 0 because of continuity correction due to zero events (with reciprocal of the contrasting arm).
hospitalization time, 9.6% lower, relative time 0.90, p = 0.32, treatment 37, control 170.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Yildiz et al., 9/27/2021, retrospective, Turkey, Europe, peer-reviewed, 5 authors, dosage 300,000IU single dose.
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