Prospective study of 57 consecutive hospitalized COVID-19 patients in Switzerland, showing higher risk of mortality/ICU admission with vitamin A, vitamin D, and zinc deficiency, with statistical significance only for vitamin A and zinc. Adjustments only considered age.
risk of death/ICU, 23.4% lower, RR 0.77, p = 0.55, high D levels 8 of 34 (23.5%), low D levels 7 of 23 (30.4%), NNT 14, adjusted per study, odds ratio converted to relative risk.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Voelkle et al., 4/30/2022, prospective, Switzerland, Europe, peer-reviewed, median age 67.0, 9 authors, study period 17 March, 2020 - 30 April, 2020.
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