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0 0.5 1 1.5 2+ Case 54% Improvement Relative Risk c19vitamind.com Abdollahi et al. Vitamin D for COVID-19 Sufficiency Favors vitamin D Favors control
Abdollahi, 402 patient vitamin D sufficiency study: 54% fewer cases [p=0.001] https://c19p.org/abdollahi
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The Association Between the Level of Serum 25(OH) Vitamin D, Obesity, and underlying Diseases with the risk of Developing COVID‐19 Infection: A case‐control study of hospitalized patients in Tehran, Iran
Abdollahi et al., Journal of Medical Virology, doi:10.1002/jmv.26726
12 Dec 2020    Source   PDF   Share   Tweet
Case control study with 201 patients and 201 matched controls in Iran showing vitamin D deficiency associated with COVID-19.
risk of case, 53.9% lower, RR 0.46, p = 0.001, high D levels 108, low D levels 294, >30ng/ml.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Abdollahi et al., 12/12/2020, retrospective, Iran, Middle East, peer-reviewed, 7 authors.
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