Endoscopic Kyoto classification of Helicobacter pylori infection and gastric cancer risk diagnosis

Table 3 Gastric cancer incidence according to endoscopic atrophy

Ref.	Population	No. of subjects	No. of cancers	Duration, yr	Gastric cancer incidence, %/yr
					Mild	Moderate	Severe
Take et al[70], 2011	Post eradication with peptic ulcer	1674	28	5.6	0.04	0.28	0.62
Shichijo et al[71], 2016	Post eradication	573	21	6.2	0.071	0.341	1.601
Kaji et al[72], 2019	Medical examination	12941	63	3.7	0.10	0.16	0.31
	Post eradication	2571	20	3.7	0.06	0.12	0.42

¹Incidence was calculated by dividing the incidence per 10 years by 10.