et al., Annals of the Romanian Society for Cell Biology, 25:6 (Peer Reviewed)
Retrospective 42 PCR+ patients in Indonesia, showing significantly higher risk of symptomatic cases with vitamin D deficiency.
Savitri et al., 5/8/2021, retrospective, Indonesia, South Asia, peer-reviewed, 5 authors.
risk of symptomatic case, 88.0% lower, RR 0.12, p < 0.001, high D levels 3 of 25 (12.0%), low D levels 17 of 17 (100.0%), >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.