Findings

What do systematic reviews say?

83 questions · 83 findings · 11 reviews · Gut

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No studies found 12 · 14.5%GRADE not reported 0 · 0%Very low 59 · 71.1%Low 9 · 10.8%Moderate 3 · 3.6%High 0 · 0%

Laparoscopic pyloromyotomy vs open pyloromyotomy

Operating time · infants (< 1 year of age) with hypertrophic pyloric stenosis

1 finding from 1 review

Open versus laparoscopic pyloromyotomy for pyloric stenosis 2021 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 622 participants
Very low

Laparoscopic gastrectomy vs open gastrectomy

Short‐term mortality · gastric cancer

Laparoscopic gastrectomy showed no clear difference in short‐term mortality compared with open gastrectomy (low certainty).

1 finding from 1 review

Laparoscopic versus open gastrectomy for gastric cancer 2016 · Cochrane Headline outcomes only
RR 1.6 [0.5, 5.1]
11 studies · 2335 participants
Low

Laparoscopic gastrectomy vs open gastrectomy

All‐cause mortality at maximal · gastric cancer

It is very uncertain whether laparoscopic gastrectomy changes long‐term mortality (maximal compared with open gastrectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open gastrectomy for gastric cancer 2016 · Cochrane Headline outcomes only
HR 0.94 [0.7, 1.25]
3 studies · 195 participants
Very low

Laparoscopic gastrectomy vs open gastrectomy

Proportion with a serious adverse event (< 3 months) · gastric cancer

It is very uncertain whether laparoscopic gastrectomy changes proportion with a serious adverse event (< 3 months) compared with open gastrectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open gastrectomy for gastric cancer 2016 · Cochrane Headline outcomes only
RR 0.6 [0.27, 1.34]
8 studies · 432 participants
Very low

Laparoscopic gastrectomy vs open gastrectomy

Long‐term recurrence (maximal · gastric cancer

It is very uncertain whether laparoscopic gastrectomy changes long‐term recurrence (maximal compared with open gastrectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open gastrectomy for gastric cancer 2016 · Cochrane Headline outcomes only
HR 0.95 [0.7, 1.3]
4 studies · 162 participants
Very low

Laparoscopic gastrectomy vs open gastrectomy

Proportion with an adverse event (< 3 months) · gastric cancer

It is very uncertain whether laparoscopic gastrectomy changes proportion with an adverse event (< 3 months) compared with open gastrectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open gastrectomy for gastric cancer 2016 · Cochrane Headline outcomes only
RR 0.78 [0.6, 1.01]
11 studies · 2490 participants
Very low

Laparoscopic gastrectomy vs open gastrectomy

Quantity of perioperative blood transfused · gastric cancer

1 finding from 1 review

Laparoscopic versus open gastrectomy for gastric cancer 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 143 participants
Very low

Laparoscopic gastrectomy vs open gastrectomy

Length of hospital stay · gastric cancer

1 finding from 1 review

Laparoscopic versus open gastrectomy for gastric cancer 2016 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 319 participants
Very low

Laparoscopic gastrectomy vs open gastrectomy

Lymph nodes retrieved · gastric cancer

1 finding from 1 review

Laparoscopic versus open gastrectomy for gastric cancer 2016 · Cochrane Headline outcomes only
no estimate extracted
9 studies · 472 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

Short‐term mortality (in hospital or within 3 months) · patients with oesophageal cancer

It is very uncertain whether laparoscopic changes short‐term mortality (in hospital or within 3 months) compared with open transhiatal oesophagectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
RR 0.44 [0.05, 4.09]
5 studies · 326 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

Length of hospital stay · patients with oesophageal cancer

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 266 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

Positive resection margins · patients with oesophageal cancer

It is very uncertain whether laparoscopic changes positive resection margins compared with open transhiatal oesophagectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
RR 0.65 [0.37, 1.12]
3 studies · 213 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

Lymph nodes retrieved · patients with oesophageal cancer

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 326 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

Long‐term mortality · patients with oesophageal cancer

It is very uncertain whether laparoscopic changes long‐term mortality compared with open transhiatal oesophagectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
HR 0.97 [0.81, 1.16]
2 studies · 193 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

Serious adverse events (proportion) · patients with oesophageal cancer

It is very uncertain whether laparoscopic changes serious adverse events (proportion) compared with open transhiatal oesophagectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
RR 0.49 [0.24, 0.99]
3 studies · 213 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

Anastomotic stenosis · patients with oesophageal cancer

It is very uncertain whether laparoscopic changes anastomotic stenosis compared with open transhiatal oesophagectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
RR 1.37 [0.33, 5.7]
1 study · 73 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

Short‐term recurrence (within 6 months) · patients with oesophageal cancer

It is very uncertain whether laparoscopic changes short‐term recurrence (within 6 months) compared with open transhiatal oesophagectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
RR 0.88 [0.04, 18.47]
1 study · 20 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

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

It is very uncertain whether laparoscopic changes long‐term recurrence compared with open transhiatal oesophagectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
HR 1 [0.84, 1.18]
2 studies · 173 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

Adverse events (proportion) · patients with oesophageal cancer

It is very uncertain whether laparoscopic changes adverse events (proportion) compared with open transhiatal oesophagectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
RR 0.64 [0.48, 0.86]
3 studies · 213 participants
Very low

Laparoscopic vs open transhiatal oesophagectomy

Blood transfusion · patients with oesophageal cancer

It is very uncertain whether laparoscopic changes blood transfusion (proportion) compared with open transhiatal oesophagectomy (very low certainty).

1 finding from 1 review

Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
RR 0.08 [0, 1.35]
1 study · 73 participants
Very low