Findings

What do systematic reviews say?

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

3,696 questions · 3,815 findings · 855 reviews

No studies found 573 · 15%GRADE not reported 374 · 9.8%Very low 993 · 26%Low 1,062 · 27.8%Moderate 614 · 16.1%High 199 · 5.2%

Motivational interview plus oral health education vs Oral health education

Oral health: Not brushing teeth twice a day · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

The review found no eligible studies for this question.

1 finding from 1 review

Root-end resection (with or without root-end filling; surgical retreatment) vs Non-surgical re-treatment (orthograde root canal therapy)

Prevalence of pain - 1 day · People with one or more endodontically treated teeth and a periapical condition requiring retreatment

Root-end resection (with or without root-end filling; surgical… may leads to higher prevalence of pain - 1 day (participants reporting pain) compared with root canal retreatment (non-surgical/orthograde) (low certainty).

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Daytime symptom: oral breathing (questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger)

It is very uncertain whether oral appliance or functional orthopaedic appliance changes daytime symptom: oral breathing (questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Daytime symptom: nasal stuffiness (questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger)

It is very uncertain whether oral appliance or functional orthopaedic appliance changes daytime symptom: nasal stuffiness (questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Daytime symptom: school problems (Brouillette questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger)

It is very uncertain whether oral appliance or functional orthopaedic appliance changes daytime symptom: school problems (Brouillette questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed ice held in the mouth during cancer treatment) vs no intervention or control intervention (control)

Number of days of treatment with opioid analgesics · All patients with cancer who are receiving treatment

The review found no eligible studies for this question.

2 findings from 1 review

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed ice held in the mouth during cancer treatment) vs no intervention or control intervention (control)

Number of days in hospital (duration of hospitalisation) · All patients with cancer who are receiving treatment

The review found no eligible studies for this question.

2 findings from 1 review

External cephalic version (ECV) commenced before term vs ECV at term

Death of a baby (stillbirth or neonatal death) report of perinatal death · women with breech presentation before term

External cephalic version (ECV) commenced before term showed no clear difference in perinatal mortality (Stillbirth or neonatal mortality < 7 days) compared with ECV at term (low certainty).

1 finding from 1 review

Rescue high‐frequency jet ventilation vs conventional ventilation

Chronic lung disease · preterm infants with severe pulmonary dysfunction

Rescue high‐frequency jet ventilation showed no clear difference in chronic lung disease at 28 days of birth (CLD 28 days) compared with conventional ventilation (low certainty).

1 finding from 1 review

Beta‐2 agonists vs placebo

Cough · people with acute cough or a clinical diagnosis of acute bronchitis
4 findings from 1 review
Show 1 more finding

Intervention not reported

Postoperative mortality (within 30 days from surgery) · patients with resectable disease

The intervention leads to higher postoperative mortality (within 30 days from surgery) (high certainty).

1 finding from 1 review

Tetanus diphtheria toxoid immunisation of women of reproductive age vs cholera toxoid

Neonatal death (death within the first 28 days of life) · women of reproductive age ≥ 15 years.

Tetanus diphtheria toxoid immunisation of women of reproductive age may leads to lower neonatal mortality in the first 28 days of life compared with cholera toxoid (low certainty).

1 finding from 1 review

Tetanus diphtheria toxoid immunisation of women of reproductive age vs cholera toxoid

Neonatal mortality between day 4‐14 of life · women of reproductive age ≥ 15 years.

Tetanus diphtheria toxoid immunisation of women of reproductive age may leads to lower neonatal mortality between day 4‐14 of life compared with cholera toxoid (low certainty).

1 finding from 1 review