Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Pain
Systematic review	515 people 2 RCTs in this analysis	Persisting pain after 3 months with TEP laparoscopic repair with open suture repair	OR 0.22 95% CI 0.14 to 0.35 Data analysed using fixed-effects model; see further information on studies for full details	Moderate effect size	TEP laparoscopic repair
RCT	261 people	Groin pain after 2 years 14/119 (12%) with TEP laparoscopic repair 8/125 (6%) with open suture repair	P >0.05		Not significant