Vitamin D levels in children with COVID-19: a report from Turkey

Vitamin D study #129 of 131 Meta Analysis

8/10 Analysis of outcomes based on serum levels

Alpcan et al., Epidemiology & Infection, doi:10.1017/S0950268821001825 (Peer Reviewed)
Vitamin D levels in children with COVID-19: a report from Turkey

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Retrospective 75 COVID-19 hospitalized pediatric patients in Turkey and 80 healthy controls, showing significantly lower vitamin D levels in COVID-19 patients.

Alpcan et al., 8/10/2021, retrospective, Turkey, Europe, peer-reviewed, 3 authors.

risk of COVID-19 case, 44.6% lower, RR 0.55, p < 0.001, high D levels 42 of 108 (38.9%), low D levels 33 of 47 (70.2%), >20ng/mL.

Effect extraction follows pre-specified rules prioritizing more serious outcomes. For an individual study the most serious outcome may have a smaller number of events and lower statistical signficance, however this provides the strongest evidence for the most serious outcomes when combining the results of many trials.

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