Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Ulcer recurrence
Systematic review	1104 people 11 RCTs in this analysis	Recurrence of gastric ulcer 14% with eradication treatment 58% with no treatment	RR 0.29 95% CI 0.20 to 0.42 NNT 3 95% CI 2 to 5	Moderate effect size	eradication treatment