Yılmaz, 40 patient vitamin D sufficiency study: 73% lower severe cases [p=1] https://c19p.org/yilmaz
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Is vitamin D deficiency a risk factor for COVID‐19 in children?
et al., Pediatric Pulmonology, doi:10.1002/ppul.25106
Retrospective 40 hospitalized pediatric COVID-19 patients and 45 healthy controls showing significantly lower vitamin D levels for COVID-19 patients (13.1 vs. 34.8µg/L), and that, within the hospitalized patients, there was more moderate and severe cases for patients with low vitamin D levels (non-statistically significant due to the small numbers).
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risk of severe case, 73.4% lower, RR 0.27, p = 1.00, high D levels 0 of 11 (0.0%), low D levels 2 of 29 (6.9%), NNT 14, relative risk is not 0 because of continuity correction due to zero events (with reciprocal of the contrasting arm), >20ng/ml.
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risk of moderate or severe case, 41.4% lower, RR 0.59, p = 0.69, high D levels 2 of 11 (18.2%), low D levels 9 of 29 (31.0%), NNT 7.8, >20ng/ml.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates |
Yılmaz et al., 10/5/2020, retrospective, Turkey, Europe, peer-reviewed, 2 authors.
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