Kyoto classification of gastritis: Advances and future perspectives in endoscopic diagnosis of gastritis

Table 1 Kyoto classification score

Endoscopic findings	Kyoto score
	0	1	2
Atrophy1	None, C1	C2, C3	O1-O3
Intestinal metaplasia	None	Antrum	Corpus and antrum
Enlarged folds	Absence	Presence	-
Nodularity	Absence	Presence	-
Diffuse redness	None	Mild with RAC	Severe without RAC

¹According to the Kimura-Takemoto classification[80].

RAC: Regular arrangement of collecting venules.