Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Haematoma
Systematic review	46 people with bilateral inguinal hernia 2 RCTs in this analysis	Haematoma with open mesh repair with open suture repair	OR 0.47 95% CI 0.08 to 2.83 See further information on studies for discussion of clinical relevance of results		Not significant
Seroma
Systematic review	46 people with bilateral inguinal hernia 2 RCTs in this analysis	Seroma with open mesh repair with open suture repair	OR 7.30 95% CI 0.36 to 146.00 See further information on studies for discussion of clinical relevance of results		Not significant