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Evidence found and GRADE certainty

1,562 questions · 1,645 findings · 107 reviews · Wounds

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No studies found 651 · 39.6%GRADE not reported 84 · 5.1%Very low 554 · 33.7%Low 283 · 17.2%Moderate 64 · 3.9%High 9 · 0.5%

Summary of findings table ‐ Protein, arginine, zinc and antioxidants vs standard diet or placebo

The proportion of pressure ulcers healed · residents of long‐term care (≥ 65 years) with pressure ulcers; inpatients with pressure ulcers

It is very uncertain whether summary of findings table ‐ Protein, arginine, zinc and antioxidants changes pressure ulcers healed compared with standard diet or placebo (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Protein, arginine, zinc and antioxidants vs standard diet or placebo

Time to complete healing of pressure ulcers ‐ not reported · residents of long‐term care (≥ 65 years) with pressure ulcers; inpatients with pressure ulcers

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings table ‐ Protein, arginine, zinc and antioxidants vs standard diet or placebo

Acceptability of nutritional supplements ‐ not reported · residents of long‐term care (≥ 65 years) with pressure ulcers; inpatients with pressure ulcers

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings table ‐ Protein, arginine, zinc and antioxidants vs standard diet or placebo

Gastrointestinal adverse events · residents of long‐term care (≥ 65 years) with pressure ulcers; inpatients with pressure ulcers

It is very uncertain whether summary of findings table ‐ Protein, arginine, zinc and antioxidants changes side effects: at least one adverse gastrointestinal 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

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