What do systematic reviews say?

Laparoscopic vs open surgery

Laparoscopic showed no clear difference in overall surgical complications ( compared with open surgery (low certainty).

• Laparoscopic versus open resection for sigmoid diverticulitis 2017 · Cochrane Headline outcomes only
  RR 0.84 [0.6, 1.19]
  3 studies · 360 participants
  Low

Laparoscopic vs open surgery

It is very uncertain whether laparoscopic changes early overall morbidity (30 postoperative days) compared with open surgery (very low certainty).

• Laparoscopic versus open resection for sigmoid diverticulitis 2017 · Cochrane Headline outcomes only
  RR 1.46 [0.51, 4.2]
  1 study · 113 participants
  Very low

Laparoscopic vs open surgery

It is very uncertain whether laparoscopic changes late overall morbidity (after the first 30 postoperative days:… compared with open surgery (very low certainty).

• Laparoscopic versus open resection for sigmoid diverticulitis 2017 · Cochrane Headline outcomes only
  RR 0.6 [0.26, 1.38]
  1 study · 93 participants
  Very low

Laparoscopic vs open surgery

It is very uncertain whether laparoscopic changes late overall mortality (after the first 30 postoperative days) compared with open surgery (very low certainty).

• Laparoscopic versus open resection for sigmoid diverticulitis 2017 · Cochrane Headline outcomes only
  RR 2.04 [0.19, 21.77]
  1 study · 93 participants
  Very low

Laparoscopic vs open surgery

Laparoscopic showed no clear difference in major complications ( compared with open surgery (low certainty).

• Laparoscopic versus open resection for sigmoid diverticulitis 2017 · Cochrane Headline outcomes only
  RR 0.74 [0.43, 1.25]
  3 studies · 360 participants
  Low

Laparoscopic vs open surgery

• Laparoscopic versus open resection for sigmoid diverticulitis 2017 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 360 participants
  Very low

Laparoscopic vs open surgery

• Laparoscopic versus open resection for sigmoid diverticulitis 2017 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 360 participants
  Low

Laparoscopic vs open transhiatal oesophagectomy

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

• 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

• 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

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

• 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

• 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

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

• 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

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

• 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

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

• 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

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

• 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

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

• 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

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

• 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

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

• 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

Laparoscopic vs open transhiatal oesophagectomy

• Laparoscopic versus open transhiatal oesophagectomy for oesophageal cancer 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 93 participants
  Very low

Laparoscopic vs open total mesorectal excision

Laparoscopic showed no clear difference in disease‐free survival at 5 years compared with open total mesorectal excision (moderate certainty).

• Laparoscopic versus open total mesorectal excision for rectal cancer 2014 · Cochrane Headline outcomes only
  OR 1.02 [0.76, 1.38]
  4 studies · 943 participants
  Moderate