Findings

What do systematic reviews say?

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

4,695 questions · 4,979 findings · 433 reviews

No studies found 998 · 20%GRADE not reported 1,140 · 22.9%Very low 1,024 · 20.6%Low 1,029 · 20.7%Moderate 636 · 12.8%High 152 · 3.1%

Intervention not reported

Oral contraceptive use during last sex (17 months) · middle or high school students with need for contraceptive information

The intervention probably leads to lower oral contraceptive use during last sex (17 months) (moderate certainty).

1 finding from 1 review

Fluoride gel (topically applied; operator- or self-applied; any fluoride agent/concentration; frequency at least once a year) vs placebo or no treatment

Mucosal irritation / oral soft tissue allergic reaction (signs of sensitivity) · Children and adolescents aged 16 years or less

The review found no eligible studies for this question.

1 finding from 1 review

Pilocarpine vs placebo

Other oral symptoms (oral discomfort, dysphonia) · Patients with radiation-induced salivary gland dysfunction
1 finding from 1 review

Local and systemic reactions after administration of Tetanus Diphtheria acelluar Pertussis vaccine vs saline placebo

Systemic reactions ‐ fever (oral temperature ≥ 38°C) · patients with local and systemic reactions

Local and systemic reactions after administration of Tetanus… showed no clear difference in systemic reactions ‐ fever (oral temperature ≥ 38°C) compared with saline placebo (moderate certainty).

1 finding from 1 review

Maintenance LTRA vs placebo

Number of participants experiencing one or more episode requiring treatment with oral steroids · episodic viral wheeze in children

Maintenance LTRA showed no clear difference in number of participants experiencing one or more episode requiring… compared with placebo (moderate certainty).

1 finding from 1 review

Intermittent LTRA vs placebo

Number of participants experiencing one or more episode requiring treatment with oral steroids · episodic viral wheeze in children

Intermittent LTRA showed no clear difference in number of participants experiencing one or more episode requiring… compared with placebo (moderate certainty).

1 finding from 1 review

Intervention not reported

Live birth or ongoing pregnancy IM vs oral · subfertile women

It is very uncertain whether the intervention changes live birth or ongoing pregnancy IM vs oral (very low certainty).

1 finding from 1 review

Intervention not reported

Live birth or ongoing pregnancy Vaginal/rectal vs oral · subfertile women

The intervention showed no clear difference in live birth or ongoing pregnancy Vaginal/rectal vs oral (low certainty).

1 finding from 1 review

Intervention not reported

OHSS IM vs oral · subfertile women

It is very uncertain whether the intervention changes OHSS IM vs oral (very low certainty).

1 finding from 1 review

Intermittent ICS vs placebo

Exacerbations requiring oral corticosteroids ‐ School‐age children · School‐aged children and adults

Intermittent ICS showed no clear difference in exacerbations requiring oral corticosteroids ‐ School‐age children compared with placebo (low certainty).

1 finding from 1 review