Non-improvement of atrophic gastritis in cases of gastric cancer after successful Helicobacter pylori eradication therapy

Table 1 Grading system for the Kyoto classification score

Parameter	Score
Atrophy	0	C0–CI according to Kimura-Takemoto classification
	1	CII–CIII
	2	OI–OIII
Intestinal metaplasia	0	None
	1	Within the antrum
	2	Up to corpus
Hypertrophy of gastrid folds	0	None
	1	Positive
Nodularity	0	None
	1	Positive
Diffuse redness	0	None
	1	Mild (with RAC)
	2	Severe

The score was evaluated by five parameters, with the total score as the sum of these five parameter scores. RAC: Regular arrangement of collecting venules.