Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,072 questions · 4,237 findings · 447 reviews · Headline outcomes only

No studies found 946 · 22.3%GRADE not reported 257 · 6.1%Very low 1,121 · 26.5%Low 1,207 · 28.5%Moderate 568 · 13.4%High 138 · 3.3%

Basic wound contact dressing vs fibrous‐hydrocolloid dressing

SSI Assessment method: signs of infection (redness, tenderness, swelling or exudate) · surgical wounds resulting from clean surgery and healing by primary intention

It is very uncertain whether basic wound contact dressing changes SSI Assessment method: signs of infection (redness, tenderness,… compared with fibrous‐hydrocolloid dressing (very low certainty).

1 finding from 1 review

Basic wound contact dressing vs polyurethane matrix hydrocolloid dressings

Ease of dressing removal · surgical wounds resulting from clean surgery and healing by primary intention

It is very uncertain whether basic wound contact dressing changes ease of dressing removal Assessment method: asked whether dressings… compared with polyurethane matrix hydrocolloid dressings (very low certainty).

1 finding from 1 review

Film dressing vs exposed wound

SSI Assessment method: undefined method · surgical wounds resulting from clean surgery and healing by primary intention

It is very uncertain whether film dressing changes SSI Assessment method: undefined method compared with exposed wound (very low certainty).

1 finding from 1 review

Film dressing vs exposed wound

Scarring · surgical wounds resulting from clean surgery and healing by primary intention

It is very uncertain whether film dressing changes scarring (further information not reported) compared with exposed wound (very low certainty).

1 finding from 1 review

Film dressing vs exposed wound

Acceptability of dressing to participant · surgical wounds resulting from clean surgery and healing by primary intention

It is very uncertain whether film dressing changes acceptability of dressing to participant compared with exposed wound (very low certainty).

1 finding from 1 review

Silver dressing vs exposed wound

SSI Assessment method: CDC definition of SSI · surgical wounds resulting from a range of surgical procedures with some risk of contamination healing by primary intention

It is very uncertain whether silver dressing changes SSI Assessment method: CDC definition of SSI compared with exposed wound (very low certainty).

1 finding from 1 review