Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,447 questions · 2,590 findings · 266 reviews

No studies found 699 · 27%GRADE not reported 289 · 11.2%Very low 614 · 23.7%Low 605 · 23.4%Moderate 322 · 12.4%High 61 · 2.4%

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

Health‐related quality of life · preventing pressure ulcers

The review found no eligible studies for this question.

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

Cost‐effectiveness · preventing pressure ulcers

The review found no eligible studies for this question.

1 finding from 1 review

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

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

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

1 finding from 1 review

Acupuncture vs medication

Overactive bladder symptoms cured or improved · Adults with overactive bladder (OAB)

Acupuncture may leads to higher overactive bladder symptoms cured or improved compared with medication (low certainty).

1 finding from 1 review

Acupuncture vs sham

Overactive bladder symptoms cured or improved · Adults with overactive bladder (OAB)

It is very uncertain whether acupuncture changes overactive bladder symptoms cured or improved compared with sham acupuncture (very low certainty).

1 finding from 1 review

Active NRT vs placebo ‐ rs16969968 ‐ non‐Hispanic black or African American

6‐Month abstinence ‐ homozygous major · people who smoke

Active NRT leads to higher abstinence at 6 months ‐ homozygous major compared with placebo ‐ rs16969968 ‐ non‐Hispanic black or African American (high certainty).

1 finding from 1 review

Active NRT vs placebo ‐ rs16969968 ‐ non‐Hispanic black or African American

6‐Month abstinence ‐ heterozygous or homozygous minor · people who smoke

Active NRT showed no clear difference in abstinence at 6 months ‐ heterozygous or homozygous minor compared with placebo ‐ rs16969968 ‐ non‐Hispanic black or African American (low certainty).

1 finding from 1 review