Effectiveness of serological markers of gastric mucosal atrophy in the gastric precancer screening and in cancer prevention

Table 7 Dynamics of Helicobacter pylori status of the patient

Observation time	Patient age	Anti-Helicobacter pylori IgG	C13 urease breath test	Histological test
2017	63	Positive	-	Positive
2018	64	Negative	Negative	Negative
2019	65	Negative	Negative	Negative
2020	66	Negative	Negative	Negative
2021	67	Negative	Negative	Negative
2022	68	Negative	Negative	Negative
2023	69	Negative	Negative	-

IgG: Immunoglobulin G.