Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Postoperative ileus in adults
Systematic review	3885 people 25 RCTs in this analysis	Postoperative ileus 30/1819 (1.6%) with laparoscopic surgery 35/2066 (1.7%) with open surgery	OR 0.88 95% CI 0.53 to 1.45 P = 0.61		Not significant