Cochrane · systematic review · CD011389

Laparoscopic versus open gastrectomy for gastric cancer

Best, LMJ, Mughal, M, Gurusamy, KS · Cochrane Database of Systematic Reviews · 2016 · Cochrane Library

GutAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
8
current version
GRADE rated
8
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 7 · 87.5%Low 1 · 12.5%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Laparoscopic gastrectomy compared to open gastrectomy for gastric cancer (primary outcomes)

Population: patients with gastric cancer
3 questions
OutcomeEffectEvidenceStatus / GRADE
Short‐term mortality
Laparoscopic gastrectomy vs open gastrectomy
RR 1.6 [0.5, 5.1]11 studies · 2335 participantsLow
Downgraded: risk of bias
Long‐term mortality (maximal
Laparoscopic gastrectomy vs open gastrectomy
HR 0.94 [0.7, 1.25]3 studies · 195 participantsVery low
Downgraded: risk of bias, imprecision
Proportion with a serious adverse event (< 3 months)
Laparoscopic gastrectomy vs open gastrectomy
RR 0.6 [0.27, 1.34]8 studies · 432 participantsVery low
Downgraded: risk of bias, imprecision

Laparoscopic gastrectomy compared to open gastrectomy for gastric cancer (secondary outcomes)

Population: patients with gastric cancer
5 questions
OutcomeEffectEvidenceStatus / GRADE
Long‐term recurrence (maximal
Laparoscopic gastrectomy vs open gastrectomy
HR 0.95 [0.7, 1.3]4 studies · 162 participantsVery low
Downgraded: risk of bias, imprecision
Proportion with an adverse event (< 3 months)
Laparoscopic gastrectomy vs open gastrectomy
RR 0.78 [0.6, 1.01]11 studies · 2490 participantsVery low
Downgraded: risk of bias
Quantity of perioperative blood transfused
Laparoscopic gastrectomy vs open gastrectomy
no estimate extracted2 studies · 143 participantsVery low
Downgraded: risk of bias, imprecision
Length of hospital stay
Laparoscopic gastrectomy vs open gastrectomy
no estimate extracted6 studies · 319 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Number of lymph nodes harvested
Laparoscopic gastrectomy vs open gastrectomy
no estimate extracted9 studies · 472 participantsVery low
Downgraded: risk of bias, inconsistency