Findings

What do systematic reviews say?

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

4,667 questions · 21,760 findings · 2,177 reviews

No studies found 4,173 · 19.2%GRADE not reported 2,300 · 10.6%Very low 5,276 · 24.2%Low 5,764 · 26.5%Moderate 3,298 · 15.2%High 949 · 4.4%

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

Preconception lifestyle advice on a combination of topics vs usual care or attention control

Reported behavioural changes on vitamin or mineral supplement intake: number of women with adequate use of folic acid supplement · people with infertility

Preconception lifestyle advice on a combination of topics showed no clear difference in reported behavioural changes on vitamin or mineral supplement… compared with routine care or attention control (low certainty).

1 finding from 1 review

Preconception lifestyle advice on a combination of topics vs usual care or attention control

Reported behavioural changes in alcohol intake · people with infertility

Preconception lifestyle advice on a combination of topics showed no clear difference in reported behavioural changes in alcohol intake (measured at 6 months) compared with routine care or attention control (low certainty).

1 finding from 1 review

Preconception lifestyle advice on a combination of topics vs usual care or attention control

Reported behavioural changes in smoking (measured at 6 months): · people with infertility

Preconception lifestyle advice on a combination of topics showed no clear difference in reported behavioural changes in smoking (measured at 6 months): compared with routine care or attention control (low certainty).

1 finding from 1 review

Summary of findings table ‐ Preoperative exercise training vs no exercise

Number of patients who developed postoperative pulmonary complications · people scheduled to undergo lung resection for non‐small cell lung cancer

Summary of findings table ‐ Preoperative exercise training leads to lower risk of developing a postoperative pulmonary complication – total compared with no exercise training (high certainty).

1 finding from 1 review