Helicobacter pylori eradication: Exploring its impacts on the gastric mucosa

Table 2 Major features of five meta-analyses

Ref.	Year	Total No. of study	Eradication group			Control group			OR/RR	95%Cl
			Total No.	Total events	Incidence rate	Total No.	Total events	Incidence rate
Sugimoto et al[118]	2020	4RCTs	2731	73	2.7%	2733	49	1.80%	0.67	0.47–0.96
Sugano et al[119]	2019	32	16301	316	1.90%	14805	535	3.60%	0.46	0.39-0.55
Doorakkers et al[120]	2016	8 Cohort	12899	119	0.90%	18654	208	1.10%	0.46	0.32-0.66
Chen et al[121]	2016	8RCTs	3992	74	1.90%	3962	116	2.90%	0.64	0.48-0.85
Ford et al[104]	2014	6RCTs	3294	51	1.60%	3203	76	2.40%	0.66	0.46-0.95

RR: Risk ratio; OR: Odds ratio; 95% C: 95% confidence interval.