Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

133 questions · 145 findings · 28 reviews · Gut

No studies found 12 · 8.3%GRADE not reported 5 · 3.4%Very low 64 · 44.1%Low 43 · 29.7%Moderate 20 · 13.8%High 1 · 0.7%

Summary of findings table (sensitivity analysis): interventions esophageal and GE‐junction carcinoma vs gastric carcinoma

Sensitivity analysis, meta‐regression analysis, second part · palliative participants with esophageal and GE‐junction carcinoma or gastric carcinoma

Summary of findings table (sensitivity analysis): interventions… probably leads to lower sensitivity analysis, meta‐regression analysis, second part compared with gastric carcinoma (moderate certainty).

1 finding from 1 review

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

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

Proton pump inhibitors (PPI) vs control

Number of participants with worsening scores in corporal intestinal metaplasia · people with pre‐malignant lesions

Proton pump inhibitor showed no clear difference in number of participants with worsening scores in corporal intestinal… compared with control (low certainty).

1 finding from 1 review

Intervention not reported

Lymph node mets analysis ‐ N+ OS · patients with resectable gastric cancer

The intervention probably leads to lower lymph node mets analysis ‐ N+ OS (moderate certainty).

1 finding from 1 review

Intervention not reported

Lymph node mets analysis ‐ N‐ OS · patients with resectable gastric cancer

The intervention showed no clear difference in lymph node mets analysis ‐ N‐ OS (moderate certainty).

1 finding from 1 review

Early routine ERCP strategy vs early conservative management with or without delayed or selective ERCP strategy

Systemic complications defined by the Atlanta Classification (organ failure including shock, pulmonary insufficiency, renal failure, and gastrointestinal bleeding; disseminated intravascular coagulation or severe metabolic disturbances) · patients with unselected patients with acute gallstone pancreatitis

Early routine ERCP strategy showed no clear difference in systemic complications defined by the Atlanta Classification (organ… compared with early conservative management with or without delayed or selective… (moderate certainty).

1 finding from 1 review

Epinephrine vs epinephrine and any second endoscopic method

Recurrent and persistent bleeding overall rates with or without second‐look endoscopy Rebleeding (persistent or recurrent bleeding) · patients with high‐risk bleeding ulcers

Epinephrine probably leads to lower recurrent and persistent bleeding overall rates with or without… compared with epinephrine and any second endoscopic method (moderate certainty).

1 finding from 1 review

Epinephrine vs epinephrine and any second endoscopic method

Surgery rate Number requiring emergency surgery · patients with high‐risk bleeding ulcers

Epinephrine probably leads to lower surgery rate Number requiring emergency surgery compared with epinephrine and any second endoscopic method (moderate certainty).

1 finding from 1 review

Epinephrine vs epinephrine and any second endoscopic method

Mortality rate Number of deaths (30‐day mortality or in‐hospital mortality) · patients with high‐risk bleeding ulcers

Epinephrine probably leads to lower mortality rate Number of deaths (30‐day mortality or in‐hospital… compared with epinephrine and any second endoscopic method (moderate certainty).

1 finding from 1 review

Epinephrine vs epinephrine and any second endoscopic method

Adverse effects of endoscopy therapy Adverse effects · patients with high‐risk bleeding ulcers

Epinephrine probably leads to higher adverse effects of endoscopy therapy Adverse effects compared with epinephrine and any second endoscopic method (moderate certainty).

1 finding from 1 review

Erythromycin plus nasogastric tube lavage vs metoclopramide plus nasogastric tube lavage

Visualisation of gastric mucosa · people with acute UGIH

It is very uncertain whether erythromycin plus nasogastric tube lavage changes visualisation of gastric mucosa compared with metoclopramide plus nasogastric tube lavage (very low certainty).

1 finding from 1 review