Hurst, 259 patient vitamin D sufficiency study: 68% lower mortality [p=0.005] and 66% lower ventilation [p=0.004] https://c19p.org/hurst
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Vitamin D insufficiency in COVID-19 and influenza A, and critical illness survivors: a cross-sectional study
et al., BMJ Open, doi:10.1136/bmjopen-2021-055435
Analysis of 259 hospitalized COVID-19 patients in the UK, showing a majority of patients had vitamin D deficiency/insufficiency, which was associated with poor outcomes. Both free and total 25(OH)D were analyzed with consistent results. ISRCTN66726260.
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risk of death, 68.4% lower, RR 0.32, p = 0.005, high D levels 68, low D levels 191, odds ratio converted to relative risk, >50nmol/l, multivariable, Supplementary Table 2, control prevalance approximated with overall prevalence.
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risk of mechanical ventilation, 66.0% lower, RR 0.34, p = 0.004, high D levels 6 of 68 (8.8%), low D levels 61 of 191 (31.9%), NNT 4.3, odds ratio converted to relative risk, >50nmol/l, multivariable, Supplementary Table 2.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates |
Hurst et al., 22 Oct 2021, prospective, United Kingdom, peer-reviewed, 23 authors.
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