Derakhshanian, 290 patient vitamin D sufficiency study: 45% lower mortality [p=0.05], 42% lower ventilation [p=0.09], and 37% lower ICU admission [p=0.04] https://c19p.org/derakhshanian
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The predictive power of serum vitamin D for poor outcomes in COVID-19 patients
et al., Food Science & Nutrition, doi:10.1002/fsn3.2591
Retrospective 290 hospitalized patients in Iran, showing higher mortality with vitamin D deficiency.
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risk of death, 44.8% lower, RR 0.55, p = 0.046, high D levels 148, low D levels 142, inverted to make RR<1 favor high D levels, odds ratio converted to relative risk, control prevalance approximated with overall prevalence.
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risk of mechanical ventilation, 41.7% lower, RR 0.58, p = 0.09, high D levels 148, low D levels 142, inverted to make RR<1 favor high D levels, odds ratio converted to relative risk, control prevalance approximated with overall prevalence.
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risk of ICU admission, 37.3% lower, RR 0.63, p = 0.04, high D levels 148, low D levels 142, inverted to make RR<1 favor high D levels, odds ratio converted to relative risk, control prevalance approximated with overall prevalence.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates |
Derakhshanian et al., 19 Sep 2021, retrospective, Iran, peer-reviewed, 11 authors.
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