Yildiz, 207 patient vitamin D late treatment study: 81% lower mortality [p=0.04], 94% lower ICU admission [p=0.13], and 10% shorter hospitalization [p=0.32] https://c19p.org/yildiz
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The prognostic significance of vitamin D deficiency in patients with COVID-19 pneumonia
et al., Bratislava Medical Journal, doi:10.4149/BLL_2021_119
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.
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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.
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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).
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hospitalization time, 9.6% lower, relative time 0.90, p = 0.32, treatment 37, control 170.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates |
Yildiz et al., 9/27/2021, retrospective, Turkey, Europe, peer-reviewed, 5 authors, dosage 300,000IU single dose.
Late treatment
is less effective
is less effective
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