Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,640 questions · 2,709 findings · 446 reviews

No studies found 593 · 21.9%GRADE not reported 241 · 8.9%Very low 538 · 19.9%Low 706 · 26.1%Moderate 516 · 19%High 115 · 4.2%

Intervention not reported

Colonic transit rate (geometric centre of radioactive substance). Unit indicates position along with intestinal tract. Scale from: 1 (small intestine) to 5 (rectosigmoid area). · children with chronic constipation
1 finding from 1 review

Intervention not reported

Proportion of participants abstinent ‐ long‐term (> 6 months) assessed via self report +/‐ biochemical verification · consumers of tobacco living with HIV and AIDS

The intervention showed no clear difference in proportion of participants abstinent ‐ long‐term (> 6 months)… (moderate certainty).

1 finding from 1 review