Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

140 questions · 156 findings · 14 reviews

No studies found 20 · 12.8%GRADE not reported 24 · 15.4%Very low 37 · 23.7%Low 47 · 30.1%Moderate 17 · 10.9%High 11 · 7.1%

Adverse event outcomes for dietary combined with physical activity interventions vs control

Body‐mass index (BMI) · children aged 12 to 18 years
3 findings from 1 review

Supportive interventions for enhancing dietary intake vs comparators

All‐cause mortality · malnourished or nutritionally at‐risk adults

Supportive interventions for enhancing dietary intake probably leads to lower all‐cause mortality compared with comparators (moderate certainty).

1 finding from 1 review

Dietary fibre (all study interventions) vs control

Number of participantswith at least one recurrent adenoma · people with a history of colorectal adenomas

Dietary fibre (all study interventions) showed no clear difference in number of participantswith at least one recurrent adenoma compared with control (low certainty).

1 finding from 1 review