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0 0.5 1 1.5 2+ Hospitalization 46% Improvement Relative Risk Case 28% c19vitamind.com Merzon et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Merzon, 7,807 patient vitamin D sufficiency study: 46% lower hospitalization [p=0.06] and 28% fewer cases [p=0.001] https://c19p.org/merzon
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Low plasma 25(OH) vitamin D level is associated with increased risk of COVID‐19 infection: an Israeli population‐based study
Merzon et al., The FEBS Journal, doi:doi.org/10.1111/febs.15495
23 Jul 2020    Source   PDF   Share   Tweet
Analysis of 7,807 patients finding that low vitamin D levels are correlated with increased risk of cases and hospitalization. Adjusted odds ratio OR for sufficient vitamin D level for cases 0.69, p < 0.001, and for hospitalization 0.51, p = 0.061.
risk of hospitalization, 46.4% lower, RR 0.54, p = 0.06, high D levels 79, low D levels 703, odds ratio converted to relative risk, >30ng/mL.
risk of case, 28.4% lower, RR 0.72, p < 0.001, high D levels 1,139, low D levels 6,668, odds ratio converted to relative risk, >30ng/mL.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Merzon et al., 7/23/2020, retrospective, Israel, Middle East, peer-reviewed, 3 authors.
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