Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

329 questions · 344 findings · 34 reviews · Gut

No studies found 31 · 9%GRADE not reported 6 · 1.7%Very low 101 · 29.4%Low 82 · 23.8%Moderate 86 · 25%High 38 · 11%

Intervention not reported

Any complication Clinical · patients with resectable thoracic esophageal cancer

The intervention showed no clear difference in any complication Clinical (moderate certainty).

1 finding from 1 review

Intervention not reported

Postoperative death Clinical · patients with resectable thoracic esophageal cancer

The intervention showed no clear difference in postoperative death Clinical (low certainty).

1 finding from 1 review

Intervention not reported

Anastomotic leaks Clinical/radiology · patients with resectable thoracic esophageal cancer

The intervention showed no clear difference in anastomotic leaks Clinical/radiology (moderate 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

Stage OS analysis ‐ T1/2 OS · patients with resectable gastric cancer

The intervention showed no clear difference in stage OS analysis ‐ T1/2 OS (moderate certainty).

1 finding from 1 review

Intervention not reported

Stage OS analysis ‐ T3/4 OS · patients with resectable gastric cancer

The intervention showed no clear difference in stage OS analysis ‐ T3/4 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