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What do systematic reviews say?

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Evidence found and GRADE certainty

4,736 questions · 15,265 findings · 1,163 reviews · Headline outcomes only

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No studies found 3,871 · 25.4%GRADE not reported 810 · 5.3%Very low 4,242 · 27.8%Low 3,879 · 25.4%Moderate 1,999 · 13.1%High 464 · 3%

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Summary of findings table ‐ Energy, protein and micronutrients vs standard diet

Acceptability of nutritional supplements ‐ not reported · inpatients who are mildly or seriously malnourished or at risk of being malnourished, elderly patients at risk of developing pressure ulcers

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings table ‐ Arginine and micronutrients vs standard diet

Acceptability of nutritional supplements: non‐adherence · malnourished patients with pressure ulcers

It is very uncertain whether summary of findings table ‐ Arginine and micronutrients changes acceptability of nutritional supplements: non‐adherence compared with standard diet (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Arginine and micronutrients vs standard diet

Gastrointestinal adverse events · malnourished patients with pressure ulcers

It is very uncertain whether summary of findings table ‐ Arginine and micronutrients changes side effects: at least one adverse gastrointestinal event compared with standard diet (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Collagen vs standard diet or placebo

Adverse effects/events: at least 1 adverse effect ‐ as defined by individual studies. · adults with pressure ulcers

It is very uncertain whether summary of findings table ‐ Collagen changes side effects: at least one adverse event compared with standard diet or placebo (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Energy, protein and micronutrients vs standard diet

Health‐related quality of life ‐ not reported · inpatients who are mildly or seriously malnourished or at risk of being malnourished, elderly patients at risk of developing pressure ulcers

The review found no eligible studies for this question.

1 finding from 1 review