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Evidence found and GRADE certainty

2,447 questions · 2,590 findings · 266 reviews

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No studies found 699 · 27%GRADE not reported 289 · 11.2%Very low 614 · 23.7%Low 605 · 23.4%Moderate 322 · 12.4%High 61 · 2.4%

Intervention diet vs control diet

Remission · Patients with active Crohn's disease

It is very uncertain whether intervention diet changes induction of remission at 4 weeks ‐ High‐fiber, low refined… compared with control diet (very low certainty).

4 findings from 1 review
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Intervention diet vs control diet

Clinical relapse · Participants with Crohn's disease in remission

Intervention diet showed no clear difference in clinical relapse at 6 to 24 months ‐ Symptoms‐guided diet compared with control diet (low certainty).

4 findings from 1 review
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Intervention diet vs control diet

Clinical relapse · Patients with quiescent ulcerative colitis

It is very uncertain whether intervention diet changes clinical relapse at 6 months ‐ Anti‐inflammatory diet (Alberta‐based) compared with control diet (very low certainty).

3 findings from 1 review

Intervention diet vs control diet

Induction of remission (timeframe not reported) ‐ Symptoms‐guided diet · Patients with active Crohn's disease

It is very uncertain whether intervention diet changes induction of remission (timeframe not reported) ‐ Symptoms‐guided diet compared with control diet (very low certainty).

1 finding from 1 review

Intervention not reported

OutcomesAnalysis 1.4 · Patients with active Crohn's disease

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Failure to achieve clinical remission · Patients with active Crohn's disease

The intervention leads to lower failure to achieve clinical remission (high certainty).

1 finding from 1 review

Intervention not reported

Failure to achieve clinical response (70‐point response) · Patients with active Crohn's disease

The intervention leads to lower failure to achieve clinical response (70‐point response) (high certainty).

1 finding from 1 review

Intervention not reported

Failure to achieve clinical response (100‐point response) · Patients with active Crohn's disease

The intervention leads to lower failure to achieve clinical response (100‐point response) (high certainty).

1 finding from 1 review

Intervention not reported

Endoscopic response · Patients with active Crohn's disease

The review found no eligible studies for this question.

1 finding from 1 review