evidencegaps
Findings

What do systematic reviews say?

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

3,703 questions · 3,824 findings · 858 reviews

Sort:Best matchNewestHighest certaintyDownload CSV
No studies found 573 · 15%GRADE not reported 383 · 10%Very low 993 · 26%Low 1,062 · 27.8%Moderate 614 · 16.1%High 199 · 5.2%

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

Intervention not reported

Days on ventilator (selenium) · Patients with critical illnesses

It is very uncertain whether the intervention changes days on ventilator (selenium) (very low certainty).

1 finding from 1 review

Transmyocardial laser revascularization vs medical treatment

Early postoperative mortality Deaths in the 30 days after surgery · patients with refractory angina

Transmyocardial laser revascularization showed no clear difference in early postoperative mortality Deaths in the 30 days after surgery compared with medical treatment (high certainty).

1 finding from 1 review

Any supplements containing iron and folic acid vs same supplements without iron nor folic acid (no iron nor folic acid or placebo)

Neonatal death (death within the first 28 days of life) · pregnant women

(Infant outcomes) Any supplements containing iron and folic acid showed no clear difference in neonatal death (within 28 days after delivery) (ALL) compared with same supplements without iron nor folic acid (no iron nor folic acid… (low certainty).

1 finding from 1 review

Any supplements containing iron vs same supplements without iron or no treatment/placebo (no iron or placebo)

Neonatal death (death within the first 28 days of life) · pregnant women

(Infant outcomes) Any supplements containing iron showed no clear difference in neonatal death (within 28 days after delivery) (ALL) compared with same supplements without iron or no treatment/placebo (no iron or… (low certainty).

1 finding from 1 review

Any supplements containing iron vs same supplements without iron or no treatment/placebo (no iron or placebo)

Maternal death · pregnant women

It is very uncertain whether (Maternal outcomes) Any supplements containing iron changes maternal death (death while pregnant or within 42 days of… compared with same supplements without iron or no treatment/placebo (no iron or… (very low certainty).

1 finding from 1 review

Intervention not reported

Clinical cure rates at day 8 ± 1 · adults with acute laryngitis

It is very uncertain whether the intervention changes clinical cure rates at day 8 ± 1 (very low certainty).

1 finding from 1 review

Intervention not reported

Clinical cure rates at day 8 ± 1 · adults with acute laryngitis

It is very uncertain whether the intervention changes clinical cure rates at day 8 ± 1 (very low certainty).

1 finding from 1 review