Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Recurrence
Systematic review	2009 people 13 RCTs in this analysis	Recurrence with TEP laparoscopic repair with open mesh repair	RR 1.61 95% CI 0.87 to 2.98		Not significant
RCT	140 people	Recurrence median follow-up of 18 months 0 with TEP laparoscopic repair 0 with open mesh repair	P >0.05		Not significant
RCT	1371 men with primary unilateral hernia	Recurrence at 3 months 5 with TEP laparoscopic repair 0 with open mesh repair	Significance not assessed
RCT 3-armed trial	66 men with primary unilateral hernia	Recurrence within 24 months 1 with TEP laparoscopic repair 0 with open mesh repair	Significance not assessed