Is there a relationship between vitamin D levels, inflammatory parameters, and clinical severity of COVID-19 infection?
et al., Bratislava Medical Journal,
Retrospective 300 hospitalized patients in Turkey with vitamin D levels measured with 6 months before admission, showing no significant difference in severity based on vitamin D deficiency.
risk of severe case, 46.4% lower, RR 0.54, p = 0.10, high D levels (≥20ng/mL) 9 of 110 (8.2%), low D levels (<20ng/mL) 29 of 190 (15.3%), NNT 14.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
This study is excluded in the after exclusion results of meta
unadjusted results with no group details.
Ozturk et al., 5/16/2022, retrospective, Turkey, Europe, peer-reviewed, 6 authors.