Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Wound infections
Systematic review	417 people 3 RCTs in this analysis	Proportion of people with wound infections 1/188 (0.5%) with stapling 10/229 (4%) with endoloops	OR 0.21 95% CI 0.06 to 0.71 P = 0.01	Moderate effect size	stapling