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What do systematic reviews say?

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Evidence found and GRADE certainty

204 questions · 206 findings · 24 reviews · Headline outcomes only

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No studies found 98 · 47.6%GRADE not reported 4 · 1.9%Very low 54 · 26.2%Low 43 · 20.9%Moderate 6 · 2.9%High 1 · 0.5%

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

Alternating pressure (active) air surfaces vs reactive fibre 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 fibre surfaces (very low certainty).

1 finding from 1 review

Alternating pressure (active) air surfaces vs reactive air 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 air surfaces (very low certainty).

1 finding from 1 review

Reactive gel surfaces on operating tables followed by foam surfaces on ward beds vs alternating pressure (active) air surfaces on operating tables and subsequently on ward beds

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

Reactive gel surfaces on operating tables followed by foam surfaces… may leads to higher proportion of participants developing a new pressure ulcer compared with alternating pressure (active) air surfaces on operating tables and… (low certainty).

1 finding from 1 review

Reactive gel surfaces on operating tables followed by foam surfaces on ward beds vs alternating pressure (active) air surfaces on operating tables and subsequently on ward beds

Time to pressure ulcer development · preventing pressure ulcers

The review found no eligible studies for this question.

1 finding from 1 review