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Evidence found and GRADE certainty

3 questions · 4 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 4 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Vitamin D compounds (supplementation) vs placebo or control

All‐cause mortality · Adults with chronic kidney disease not requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Mortality: RR 1.40 (95% CI 0.38 to 5.15), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

All‐cause mortality · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Mortality: RR 1.34 (95% CI 0.34 to 5.24), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D vs placebo or control

Mortality (all cause) · Adults (general population)

Meta-analysis of randomised trials of vitamin D supplementation for Mortality (all cause) (Vitamin D2, general population): RR 1.04 (95% CI 0.97 to 1.11), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

2 findings from 1 review