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What do systematic reviews say?

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Evidence found and GRADE certainty

224 questions · 238 findings · 23 reviews

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No studies found 85 · 35.7%GRADE not reported 24 · 10.1%Very low 59 · 24.8%Low 51 · 21.4%Moderate 19 · 8%High 0 · 0%

Foam surfaces vs reactive air surfaces

Proportion of participants developing a new pressure ulcer · pressure ulcer prevention

Foam surfaces may leads to higher proportion of participants developing a new pressure ulcer compared with reactive air surfaces (low certainty).

1 finding from 1 review

foam dressing vs hydrogel dressing

Adverse events, short‐term · people of any age with an existing pressure ulcer of Category/Stage II or above

It is very uncertain whether foam dressing changes adverse events, short‐term compared with hydrogel dressing (very low certainty).

1 finding from 1 review

foam dressing vs hydrogel dressing

Incidence of healing, short‐term · people of any age with an existing pressure ulcer of Category/Stage II or above

It is very uncertain whether foam dressing changes incidence of healing, short‐term compared with hydrogel dressing (very low certainty).

1 finding from 1 review