Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

97 questions · 104 findings · 9 reviews

No studies found 9 · 8.7%GRADE not reported 10 · 9.6%Very low 23 · 22.1%Low 37 · 35.6%Moderate 14 · 13.5%High 11 · 10.6%

Dietary fibre (all study interventions) vs control

Number of participantswith at least one adenoma 1 cm or greater · people with a history of colorectal adenomas

Dietary fibre (all study interventions) showed no clear difference in number of participantswith at least one adenoma 1 cm or greater compared with control (low certainty).

1 finding from 1 review