Predicting the Development of Gastric Neoplasms in a Healthcare Cohort by Combining Helicobacter pylori Antibodies and Serum Pepsinogen: A 5-Year Longitudinal Study

Table 2

Characteristics of incidental gastric cancer and adenoma during follow-up according to the group.

	Total	Group A	Group B	Group C	Group D
		()	()	()	()
Incidence of gastric cancer	15	1	7	7	0
Intestinal type	12	0	6	6	0
Diffuse type	3	1	1	1	0
Incidence of gastric adenoma	14	3	6	4	1
Low-grade adenoma	10	2	4	3	1
High-grade adenoma	4	1	2	1	0
Annual incidence rate (%/year)	0.16	0.06	0.16	0.38	0.49