Parant, 228 patient vitamin D prophylaxis study: 50% lower mortality [p=0.11], 51% lower ICU admission [p=0.008], and 39% lower severe cases [p=0.01] https://c19p.org/parant
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Vitamin D and COVID-19 Severity in Hospitalized Older Patients: Potential Benefit of Prehospital Vitamin D Supplementation
et al., Nutrients, doi:10.3390/nu14081641, NCT04877509 (history)
Retrospective 228 hospitalized COVID-19 patients, median age 78, showing significantly lower risk of ICU admission and severe cases with vitamin D prophylaxis. NCT04877509 (history).
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risk of death, 50.5% lower, RR 0.50, p = 0.11, treatment 7 of 66 (10.6%), control 28 of 162 (17.3%), adjusted per study, odds ratio converted to relative risk, multivariable.
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risk of ICU admission, 51.2% lower, RR 0.49, p = 0.008, treatment 10 of 66 (15.2%), control 74 of 162 (45.7%), NNT 3.3, adjusted per study, odds ratio converted to relative risk, multivariable.
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risk of severe case, 38.7% lower, RR 0.61, p = 0.01, treatment 19 of 66 (28.8%), control 86 of 162 (53.1%), NNT 4.1, adjusted per study, odds ratio converted to relative risk, multivariable.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates |
Parant et al., 14 Apr 2022, retrospective, France, peer-reviewed, median age 78.0, 12 authors, study period 1 March, 2020 - 30 June, 2020, dosage varies, trial NCT04877509 (history).
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