Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Hospital stay
Systematic review	52 men Data from 1 RCT	Length of hospital stay (mean number of days) 4.4 with TEP laparoscopic repair 3.7 with TAPP laparoscopic repair	WMD –0.7 days 95% CI –1.33 days to –0.07 days P = 0.03	Effect size not calculated	TAPP laparoscopic repair
Duration of operation
Systematic review	52 men Data from 1 RCT	Duration of operation (minutes) 52.3 with TEP laparoscopic repair 46.0 with TAPP laparoscopic repair	WMD –6.3 minutes 95% CI –12.82 minutes to +0.22 minutes P = 0.06		Not significant
RCT 3-armed trial	66 men	Time for repair with TEP laparoscopic repair with TAPP laparoscopic repair Absolute results not reported