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What do systematic reviews say?

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Evidence found and GRADE certainty

47 questions · 51 findings · 7 reviews · Wounds

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No studies found 12 · 23.5%GRADE not reported 14 · 27.5%Very low 20 · 39.2%Low 5 · 9.8%Moderate 0 · 0%High 0 · 0%

Hydrogel dressings vs alginate gel

Change in ulcer size · people with venous leg ulcers

It is very uncertain whether hydrogel dressings changes change in ulcer size: percent reduction in ulcer area at 4 weeks compared with alginate gel (very low certainty).

1 finding from 1 review

NMA evidence for individual network: proportion with complete healing ‐ interventions vs saline gauze

Hydrocolloid dressing with/without alginate · people with pressure ulcers

It is very uncertain whether NMA evidence for individual network: proportion with complete… changes hydrocolloid dressing with/without alginate compared with saline gauze (very low certainty).

1 finding from 1 review

Intervention not reported

Complete wound healing · patients with pressure ulcers

It is very uncertain whether the intervention changes complete wound healing (very low certainty).

1 finding from 1 review

Intervention not reported

Adverse events · patients with pressure ulcers

It is very uncertain whether the intervention changes adverse events (very low certainty).

1 finding from 1 review