Cochrane · systematic review · CD003430

Dietary fibre for the prevention of recurrent colorectal adenomas and carcinomas

Yao, Y, Suo, T, Andersson, R, et al. · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

ColorectalAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
4
current version
GRADE rated
4
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 4 · 100%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Dietary fibre (all study interventions) versus control for the prevention of colorectal adenomas and carcinomas

Population: people with a history of colorectal adenomas
4 questions
OutcomeEffectEvidenceStatus / GRADE
Number of participantswith at least one recurrent adenoma
Dietary fibre (all study interventions) vs control
RR 1.04 [0.95, 1.13]5 studies · 3641 participantsLow
Downgraded: risk of bias, indirectness
Number of participantswith more than one adenoma
Dietary fibre (all study interventions) vs control
RR 1.06 [0.94, 1.2]2 studies · 2542 participantsLow
Downgraded: risk of bias, indirectness
Number of participantswith at least one adenoma 1 cm or greater
Dietary fibre (all study interventions) vs control
RR 0.99 [0.82, 1.2]4 studies · 3224 participantsLow
Downgraded: risk of bias, indirectness
Number of participantsdiagnosed with colorectal cancer
Dietary fibre (all study interventions) vs control
RR 2.7 [1.07, 6.85]2 studies · 2794 participantsLow
Downgraded: risk of bias, imprecision