Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,756 questions · 11,779 findings · 747 reviews · Headline outcomes only

No studies found 3,205 · 27.2%GRADE not reported 628 · 5.3%Very low 3,261 · 27.7%Low 2,913 · 24.7%Moderate 1,453 · 12.3%High 319 · 2.7%

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150,000 IU of vitamin D vs 300,000 IU of vitamin D

Ulcer healing · people with diabetes and foot ulcers

It is very uncertain whether 150,000 IU of vitamin D changes ulcer healing (absolute change in individual parameters of ulcer… compared with 300,000 IU of vitamin D (very low certainty).

2 findings from 1 review

Magnesium and vitamin E co‐supplementation vs placebo

Ulcer healing · people with diabetes and foot ulcers

It is very uncertain whether magnesium and vitamin E co‐supplementation changes ulcer healing (absolute change in individual parameters of ulcer… compared with placebo (very low certainty).

3 findings from 1 review

Magnesium and vitamin E co‐supplementation vs placebo

Ulcer healing (absolute change in individual parameters of ulcer dimensions over time: mean (SD) cm wound width reduction · people with diabetes and foot ulcers

It is very uncertain whether magnesium and vitamin E co‐supplementation changes ulcer healing (absolute change in individual parameters of ulcer… compared with placebo (very low certainty).

1 finding from 1 review

Vitamin D vs placebo

Ulcer healing (absolute change in individual parameters of ulcer dimensions over time: mean (SD) cm wound length reduction · people with diabetes and foot ulcers

It is very uncertain whether vitamin D changes ulcer healing (absolute change in individual parameters of ulcer… compared with placebo (very low certainty).

1 finding from 1 review

Vitamin D vs placebo

Ulcer healing (absolute change in individual parameters of ulcer dimensions over time: mean (SD) cm wound depth reduction · people with diabetes and foot ulcers

It is very uncertain whether vitamin D changes ulcer healing (absolute change in individual parameters of ulcer… compared with placebo (very low certainty).

1 finding from 1 review

Vitamin D vs placebo

Ulcer healing (absolute change in individual parameters of ulcer dimensions over time: mean (SD) cm wound width reduction · people with diabetes and foot ulcers

It is very uncertain whether vitamin D changes ulcer healing (absolute change in individual parameters of ulcer… compared with placebo (very low certainty).

1 finding from 1 review