Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

637 questions · 674 findings · 79 reviews · Gut

No studies found 116 · 17.2%GRADE not reported 14 · 2.1%Very low 133 · 19.7%Low 225 · 33.4%Moderate 145 · 21.5%High 41 · 6.1%

Homeopathy vs placebo

Global improvement (Asafoetida subgroup) · people with irritable bowel syndrome

It is very uncertain whether homeopathy changes global improvement (Asafoetida subgroup) compared with placebo (very low certainty).

1 finding from 1 review

Homeopathy vs placebo

Global improvement (Asafoetida + nux vom subgroup) · people with irritable bowel syndrome

It is very uncertain whether homeopathy changes global improvement (Asafoetida + nux vom subgroup) compared with placebo (very low certainty).

1 finding from 1 review

Azathioprine or 6‐mercaptopurine vs placebo

Withdrawals due to adverse events · people with surgically‐induced remission in Crohn's disease

Azathioprine or 6‐mercaptopurine showed no clear difference in withdrawal due to adverse events compared with placebo (moderate certainty).

1 finding from 1 review