evidencegaps
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

Sort:Best matchNewestHighest certaintyDownload CSV
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.

Antibiotics vs placebo

Abnormal tympanometry ‐ 2 to 4 weeks · children with acute otitis media

Antibiotics leads to lower abnormal tympanometry ‐ 2 to 4 weeks compared with placebo (high certainty).

1 finding from 1 review

Antibiotics vs placebo

Abnormal tympanometry ‐ 3 months · children with acute otitis media

Antibiotics showed no clear difference in abnormal tympanometry ‐ 3 months compared with placebo (high certainty).

1 finding from 1 review

Face‐down positioning vs no face‐down positioning or posturing after macular hole surgery

Improved visual acuity (ETDRS chart at 4 metres) · participants with idiopathic macular hole

It is very uncertain whether face‐down positioning or posturing changes improved visual acuity (ETDRS chart at 4 metres) compared with no face‐down positioning or posturing after macular hole surgery (very low certainty).

1 finding from 1 review

Intervention not reported

Breast cancer stage at the time of presentation: defined as the proportion of women with breast cancer diagnosed at early stage (stage 0, I, II) Time of outcome assessment: 3 years to 20 years Method of measurement: CBE · health workers

The intervention may leads to higher breast cancer stage at the time of presentation: defined as the… (low certainty).

1 finding from 1 review

Intervention not reported

Breast cancer stage at the time of presentation: defined as the proportion of women with breast cancer diagnosed at late stage (stage III, IV) Time of outcome assessment: 3 years to 20 years Method of measurement: CBE · health workers

The intervention may leads to lower breast cancer stage at the time of presentation: defined as the… (low certainty).

1 finding from 1 review

Intervention not reported

Breast cancer mortality: defined as deaths among women who received a diagnosis of breast cancer Time of outcome assessment: 3 years to 20 years Method of measurement: death registration offices, hospital records, and house visits · health workers

It is very uncertain whether the intervention changes breast cancer mortality: defined as deaths among women who received… (very low certainty).

1 finding from 1 review