Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,661 questions · 2,751 findings · 453 reviews

No studies found 593 · 21.6%GRADE not reported 277 · 10.1%Very low 538 · 19.6%Low 712 · 25.9%Moderate 516 · 18.8%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

Non‐surgical vs surgical treatment of oesophageal cancer (primary outcomes)

Long‐term recurrence (> 5 years) · patients with oesophageal cancer

It is very uncertain whether non‐surgical changes long‐term recurrence (binary outcome) Local recurrence, surgical… compared with surgical treatment of oesophageal cancer (secondary outcomes) (very low certainty).

1 finding from 1 review

Non‐surgical vs surgical treatment of oesophageal cancer (primary outcomes)

Long‐term recurrence (maximal · patients with oesophageal cancer

Non‐surgical showed no clear difference in long‐term recurrence (time‐to‐event outcome) Local recurrence,… compared with surgical treatment of oesophageal cancer (secondary outcomes) (low certainty).

1 finding from 1 review

Non‐surgical vs surgical treatment of oesophageal cancer (primary outcomes)

Long‐term mortality (binary outcome) All‐cause mortality for the duration of · patients with oesophageal cancer

Non‐surgical showed no clear difference in long‐term mortality (binary outcome) All‐cause mortality for the… compared with surgical treatment of oesophageal cancer (primary outcomes) (low certainty).

2 findings from 1 review

Non‐surgical vs surgical treatment of oesophageal cancer (primary outcomes)

Long‐term mortality (time‐to‐event outcome): chemoradiotherapy versus surgery All‐cause mortality for the duration of · patients with oesophageal cancer

Non‐surgical showed no clear difference in long‐term mortality (time‐to‐event outcome): chemoradiotherapy… compared with surgical treatment of oesophageal cancer (primary outcomes) (low certainty).

2 findings from 1 review