Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

2,359 questions · 2,491 findings · 249 reviews

No studies found 696 · 27.9%GRADE not reported 213 · 8.6%Very low 611 · 24.5%Low 595 · 23.9%Moderate 315 · 12.6%High 61 · 2.4%

Intervention not reported

Internet versus active control Self‐report or bio‐verified smoking cessation · adults who want to stop smoking

The intervention showed no clear difference in internet versus active control Self‐report or bio‐verified smoking… (moderate certainty).

1 finding from 1 review

Intervention not reported

Internet plus behavioural support versus non‐Internet‐based non‐active control Self‐report or bio‐verified smoking cessation · adults who want to stop smoking

The intervention probably leads to higher internet plus behavioural support versus non‐Internet‐based… (moderate certainty).

1 finding from 1 review

Intervention not reported

Internet plus behavioural support versus non‐Internet‐based active control Self‐report or bio‐verified smoking cessation · adults who want to stop smoking

The intervention showed no clear difference in internet plus behavioural support versus non‐Internet‐based active… (moderate certainty).

1 finding from 1 review

Intervention not reported

Comparisons between Internet interventions (programmes): tailored/interactive versus not tailored/interactive Self‐report or bio‐verified smoking cessation · adults who want to stop smoking

The intervention showed no clear difference in comparisons between Internet interventions (programmes):… (moderate certainty).

1 finding from 1 review

Intervention not reported

Comparisons between Internet interventions (messages): tailored/interactive versus not tailored/interactive Self‐reported smoking cessation · adults who want to stop smoking

The intervention showed no clear difference in comparisons between Internet interventions (messages):… (low certainty).

1 finding from 1 review

(RCT) Safe intravenous systems vs regular systems

Incidences of blood contamination ‐ Active systems · preventing percutaneous exposure injuries caused by needles in healthcare personnel

(RCT) Safe intravenous systems may leads to higher incidences of blood contamination ‐ Active systems compared with regular systems (low certainty).

1 finding from 1 review

(RCT) Safe intravenous systems vs regular systems

Incidence of blood leakage ‐ Active systems · preventing percutaneous exposure injuries caused by needles in healthcare personnel

(RCT) Safe intravenous systems may leads to lower incidence of blood leakage ‐ Active systems compared with regular systems (low certainty).

1 finding from 1 review

Atopiclair vs vehicle

Change in use of topical active treatment ‐ not measured · people with eczema

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

H. pylori eradication therapy versus no active treatment · people with Helicobacter pylori‐positive peptic ulcer

The intervention may leads to lower H. pylori eradication therapy versus no active treatment (low certainty).

1 finding from 1 review

Intervention not reported

H. pylori eradication therapy versus no active treatment · prevention of recurrence in people with Helicobacter pylori‐positive peptic ulcer

It is very uncertain whether the intervention changes H. pylori eradication therapy versus no active treatment (very low certainty).

1 finding from 1 review

Intervention not reported

Adverse effects: Acupressure versus placebo , no treatment or active controls · women with primary dysmenorrhoea

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Colonic transit rate (geometric centre of radioactive substance). Unit indicates position along with intestinal tract. Scale from: 1 (small intestine) to 5 (rectosigmoid area). · children with chronic constipation
1 finding from 1 review