Retrospective 439 diabetic hospitalized patients in Saudi Arabia showing lower mortality with vitamin D >12.5 nmol/L, adjusted hazard ratio aHR 0.14, p
Alguwaihes et al., 12/5/2020, retrospective, Saudi Arabia, Middle East, peer-reviewed, 10 authors.
risk of death, 85.7% lower, RR 0.14, p = 0.007, high D levels 111, low D levels 328, >12.5 nmol/L.
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.