Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Symptom recurrence
RCT	190 H pylori-positive people with GORD but no duodenal ulcer	Symptomatic relapse 1 year 83% with H pylori eradication treatment 83% with placebo	difference 0% 95% CI –11% to +11%		Not significant
RCT	People with GORD symptoms at baseline (number of people not clear) Subgroup analysis	Heartburn 2 years with H pylori eradication treatment with placebo	OR 0.90 95% CI 0.71 to 1.14		Not significant
RCT	People with GORD symptoms at baseline (number of people not clear) Subgroup analysis	Reflux 2 years with H pylori eradication treatment with placebo	OR 0.89 95% CI 0.62 to 1.29		Not significant