Meltzer, 489 patient vitamin D sufficiency study: 44% fewer cases [p=0.02] https://c19p.org/meltzer
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Association of Vitamin D Status and Other Clinical Characteristics With COVID-19 Test Results
et al., JAMA network open, 3:9, doi:10.1001/jamanetworkopen.2020.19722
Retrospective 489 patients showing 44% lower risk for COVID-19 with vitamin D sufficiency, relative risk RR = 0.56, p = 0.02.
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risk of case, 43.5% lower, RR 0.56, p = 0.02, high D levels 39 of 317 (12.3%), low D levels 32 of 172 (18.6%), NNT 16, adjusted per study, >20ng/mL.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates |
Meltzer et al., 9/3/2020, retrospective, USA, North America, peer-reviewed, 6 authors.
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