Findings

What do systematic reviews say?

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

3,971 questions · 9,849 findings · 853 reviews

No studies found 1,150 · 11.7%GRADE not reported 3,387 · 34.4%Very low 1,963 · 19.9%Low 1,809 · 18.4%Moderate 1,207 · 12.3%High 333 · 3.4%

Ranked among the 5,000 newest matching findings; add words or filters to narrow the search.

Summary of findings table ‐ High‐dose dexamethasone (12 mg or higher) vs low‐dose dexamethasone (6 mg to 8 mg)

Clinical improvement: discharged alive ( · hospitalised individuals with unknown vaccination status and a confirmed diagnosis of symptomatic COVID‐19

Summary of findings table ‐ High‐dose dexamethasone (12 mg or higher) showed no clear difference in clinical improvement: discharged alive ( compared with low‐dose dexamethasone (6 mg to 8 mg) (low certainty).

1 finding from 1 review

Summary of findings table ‐ High‐dose dexamethasone (12 mg or higher) vs low‐dose dexamethasone (6 mg to 8 mg)

Clinical worsening: need for invasive mechanical ventilation, or death at up to day 28 · hospitalised individuals with unknown vaccination status and a confirmed diagnosis of symptomatic COVID‐19

The review found no eligible studies for this question.

1 finding from 1 review

Endometrial injury vs control

Live birth rate per woman · women undergoing assisted reproduction

Endometrial injury showed no clear difference in live birth per woman randomised (studies at low risk of selection… compared with control (moderate certainty).

3 findings from 1 review

Endometrial injury vs control

Miscarriage per woman randomised (studies at low risk of selection bias and other bias) · women undergoing assisted reproduction

Endometrial injury showed no clear difference in miscarriage per woman randomised (studies at low risk of selection… compared with control (moderate certainty).

1 finding from 1 review

Endometrial injury vs control

Miscarriage · women undergoing assisted reproduction

Endometrial injury showed no clear difference in miscarriage per woman randomised: sensitivity analysis (no high risk) compared with control (low certainty).

2 findings from 1 review

Endometrial injury vs control

Clinical pregnancy · women undergoing assisted reproduction

Endometrial injury showed no clear difference in clinical pregnancy per woman randomised (studies at low risk of… compared with control (moderate certainty).

2 findings from 1 review

Endometrial injury vs control

Clinical pregnancy per woman randomised: sensitivity analysis (no high‐risk) · women undergoing assisted reproduction

Endometrial injury showed no clear difference in clinical pregnancy per woman randomised: sensitivity analysis (no… compared with control (low certainty).

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

Adverse events due to periodontal therapy · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes adverse events due to periodontal therapy compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

Cardiovascular events · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes all cardiovascular events compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

All CVD-related death · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes all CVD-related death compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

All‐cause death · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes all-cause death compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Any method, procedure or policy to reduce contaminated aerosols in dental clinics vs Any other method, no treatment or combination of methods

Cost of the intervention · Dental healthcare providers (dentist, dental surgery assistant, dental hygienist, dental technologist, dental laboratory staff, dental…

The review found no eligible studies for this question.

1 finding from 1 review

Any method, procedure or policy to reduce contaminated aerosols in dental clinics vs Any other method, no treatment or combination of methods

Acceptability and feasibility of the intervention to patients and dentists · Dental healthcare providers (dentist, dental surgery assistant, dental hygienist, dental technologist, dental laboratory staff, dental…

The review found no eligible studies for this question.

1 finding from 1 review

Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or

Failed apnea reduction · treatment of apnea

Doxapram showed no clear difference in 1a. Failed apnea reduction after 2–7 days – doxapram compared to no… compared with no treatment, placebo, methylxanthine (including theophylline,… (low certainty).

3 findings from 1 review