Martha Bleeker, Nicholas Beyler, Susanne James-Burdumy, Jane Fortson
The impact of playworks on boys' and girls' physical activity during recess
The Journal of school health
since beginning covid19 pandemic vitamin attracted interest due immunomodulatory properties numerous studies show correlation vitamin levels covid19 cases mortality therefore conducted metaanalysis order assess relationship vitamin d3 supplementation covid19 severity included 13 randomized clinical trials contained analyzed endpoints length covid19 hospitalization number intensive care unit icu admissions length stay icu number cases requiring supplemental oxygenation duration supplemental oxygenation number overall mortality number deaths associated covid19 relative risk 95 confidence interval ci mean difference 95 ci calculated compare effect random effects model used calculate effect sizes metaanalysis showed positive effect vitamin d3 supplementation icu admission rr 073 95 ci 057 095 p 002 i2 196 mortality associated covid19 among patients rr 056 95 ci 034 091 p 002 i2 0 vitamin d3 supplementation may potentially reduce risk icu admission death associated covid19