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0 0.5 1 1.5 2+ Mortality 42% Improvement Relative Risk c19vitamind.com Ranjbar et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Ranjbar, 317 patient vitamin D sufficiency study: 42% lower mortality [p=0.07] https://c19p.org/ranjbar
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Serum level of Vitamin D is associated with COVID-19 mortality rate in hospitalized patients
Ranjbar et al., Journal of Research in Medical Sciences, doi:10.4103/jrms.JRMS_1151_20
29 Nov 2021    Source   PDF   Share   Tweet
Retrospective 317 COVID-19 hospitalized patients in Iran, showing mortality associated with lower vitamin D levels.
risk of death, 41.9% lower, RR 0.58, p = 0.07, high D levels (≥20ng/mL) 16 of 163 (9.8%), low D levels (<20ng/mL) 26 of 154 (16.9%), NNT 14.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Ranjbar et al., 11/29/2021, retrospective, Iran, Middle East, peer-reviewed, 27 authors, study period 16 February, 2020 - 21 March, 2020.
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