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

Ranjbar et al., Serum level of Vitamin D is associated with COVID-19 mortality rate in hospitalized patients, Journal of Research in Medical Sciences, doi:10.4103/jrms.JRMS_1151_20

Nov 2021 Source PDF

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Retrospective 317 COVID-19 hospitalized patients in Iran, showing mortality associated with lower vitamin D levels.

This is the 105th of 175 COVID-19 sufficiency studies for vitamin D, which collectively show higher levels reduce risk with p<0.0000000001 (1 in 18 vigintillion).

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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., 29 Nov 2021, retrospective, Iran, peer-reviewed, 27 authors, study period 16 February, 2020 - 21 March, 2020.

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