Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

131 questions · 132 findings · 20 reviews · Hepato-Biliary

No studies found 7 · 5.3%GRADE not reported 0 · 0%Very low 106 · 80.3%Low 15 · 11.4%Moderate 4 · 3%High 0 · 0%

Routine abdominal drain vs No drain

Serious adverse events (proportion of patients) · patients with laparoscopic cholecystectomy.

It is very uncertain whether routine abdominal drain changes serious adverse events (proportion of patients) compared with 'no drain' (very low certainty).

1 finding from 1 review

Routine abdominal drain vs No drain

Serious adverse events (number of events) · patients with laparoscopic cholecystectomy.

It is very uncertain whether routine abdominal drain changes serious adverse events (number of events) compared with 'no drain' (very low certainty).

1 finding from 1 review

Intervention not reported

Serious adverse events · patients undergoing laparoscopic cholecystectomy.

It is very uncertain whether the intervention changes serious adverse events (very low certainty).

1 finding from 1 review

Intervention not reported

Operating time · patients undergoing laparoscopic cholecystectomy.
1 finding from 1 review

Intervention not reported

Serious adverse events (number of serious adverse events) · patients with laparoscopic cholecystectomy.

It is very uncertain whether the intervention changes serious adverse events (number of serious adverse events) (very low certainty).

1 finding from 1 review

Intervention not reported

Serious adverse events (proportion of patients with serious adverse events) · patients with laparoscopic cholecystectomy.

It is very uncertain whether the intervention changes serious adverse events (proportion of patients with serious adverse… (very low certainty).

1 finding from 1 review

Intervention not reported

Conversion to open cholecystectomy · patients with laparoscopic cholecystectomy.

It is very uncertain whether the intervention changes conversion to open cholecystectomy (very low certainty).

1 finding from 1 review

Intervention not reported

Operating time · patients with laparoscopic cholecystectomy.
1 finding from 1 review