Table 3.

Reported unintended elimination (seroreversion) rates in adults

Study	Source	N	Mean observation period	Unintended eradication rate	Evaluation of H. pylori
Kikuchi et al59	Workers visiting for health check‐up	1286	9 years	7.9 per 1000 person‐years	Serology
Jung et al60	Healthy subjects visiting health screening center	67 212	4.6 years	2.42% per 1 year	Serology
Kumagai et al61	644 children and adults in Japan	644	8 years	1.5% per 1 year	Serology
Rosenstock et al62	Random sample of Danish subjects	529	11 years	7.7% in 11 years	Serology
Fawcett et al63	Subjects born in 1972‐3	452	5 years	0.11%‐0.35% per person‐year	Serology
Bastos et al64	Noninstitutionalized adults	2067	3 years	1 per 100 person‐years	Serology