Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

41 questions · 41 findings · 4 reviews · Metabolic and Endocrine Disorders

No studies found 15 · 36.6%GRADE not reported 5 · 12.2%Very low 7 · 17.1%Low 9 · 22%Moderate 5 · 12.2%High 0 · 0%

Vitamin D vs placebo or no intervention

Cancer occurrence in trials using vitamin D₃ (cholecalciferol) · healthy participants or recruited among the general population; individuals diagnosed with a specific disease in a stable phase or with…

Vitamin D showed no clear difference in cancer occurrence in trials using vitamin D₃ (cholecalciferol) compared with placebo or no intervention (moderate certainty).

1 finding from 1 review

Vitamin D vs placebo or no intervention

Cancer mortality in trials using vitamin D3 (cholecalciferol) ( · healthy participants or recruited among the general population; individuals diagnosed with a specific disease in a stable phase or with…

Vitamin D may leads to lower cancer mortality in trials using vitamin D₃(cholecalciferol) compared with placebo or no intervention (low certainty).

1 finding from 1 review

Vitamin D vs placebo or no intervention

Adverse events ‐ Nephrolithiasis in trials using vitamin D3 combined with calcium · healthy participants or recruited among the general population; individuals diagnosed with a specific disease in a stable phase or with…

Vitamin D may leads to higher adverse events: nephrolithiasis in trials using vitamin… compared with placebo or no intervention (low certainty).

1 finding from 1 review

Vitamin D vs placebo or no intervention

Cancer occurrence · healthy participants or recruited among the general population; individuals diagnosed with a specific disease in a stable phase or with…

Vitamin D showed no clear difference in cancer occurrence compared with placebo or no intervention (moderate certainty).

1 finding from 1 review

Vitamin D plus calcium vs vitamin D

Adverse events (number) Asymptomatic hypercalcaemia and hypercalciuria

It is very uncertain whether vitamin D plus calcium changes adverse events (number) Definition: asymptomatic hypercalcaemia and… compared with vitamin D (very low certainty).

1 finding from 1 review

Vitamin D plus calcium vs vitamin D

Healing of rickets (number) Definition: normal alkaline phosphatase and bone radiograph

Vitamin D plus calcium may leads to higher healing of rickets (number) Definition: normal alkaline phosphatase… compared with vitamin D (low certainty).

1 finding from 1 review

Vitamin D plus calcium vs calcium

Healing of rickets (number) Definition: normal alkaline phosphatase and bone radiograph

It is very uncertain whether vitamin D plus calcium changes healing of rickets (number) Definition: normal alkaline phosphatase… compared with calcium (very low certainty).

1 finding from 1 review

Vitamin D plus calcium vs calcium

Adverse events (number) Asymptomatic hypercalcaemia and hypercalciuria

It is very uncertain whether vitamin D plus calcium changes adverse events (number) Asymptomatic hypercalcaemia and hypercalciuria compared with calcium (very low certainty).

1 finding from 1 review