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What do systematic reviews say?

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Evidence found and GRADE certainty

154 questions · 156 findings · 9 reviews · Wounds

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No studies found 87 · 55.8%GRADE not reported 1 · 0.6%Very low 39 · 25%Low 27 · 17.3%Moderate 2 · 1.3%High 0 · 0%

Reactive fibre surfaces vs foam surfaces

Proportion of participants developing a new pressure ulcer · preventing pressure ulcers

It is very uncertain whether reactive fibre surfaces changes proportion of participants developing a new pressure ulcer compared with foam surfaces (very low certainty).

1 finding from 1 review

Reactive water surfaces vs reactive air surfaces

Proportion of participants developing a new pressure ulcer · preventing pressure ulcers

It is very uncertain whether reactive water surfaces changes proportion of participants developing a new pressure ulcer compared with reactive air surfaces (very low certainty).

1 finding from 1 review

Alternating pressure (active) air surfaces vs foam surfaces

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

Alternating pressure (active) air surfaces showed no clear difference in proportion of participants developing a new pressure ulcer compared with foam surfaces (low certainty).

1 finding from 1 review

Alternating pressure (active) air surfaces vs reactive water‐filled surfaces

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

It is very uncertain whether alternating pressure (active) air surfaces changes proportion of participants developing a new pressure ulcer compared with reactive water‐filled surfaces (very low certainty).

1 finding from 1 review