Table 2. Inter-observer agreements in EAG according to the level of endoscopic experience.

Groups		Agreement rate, %
		Intervention period				Follow-up period
		I	II	III	IV	V	VI
Overall (n = 12)
	Close type (C1–C3)	24.2	51.3	33.3	66.4	51.9	64.1
	Open type (O1–O3)	32.0	63.6	59.1	73.0	71.2	63.6
Experienced groupa (n = 6)
	Close type (C1–C3)	28.6	56.4	37.0	56.0	41.0	74.6
	Open type (O1–O3)	36.5	71.1	64.9	69.2	59.3	73.2
Less-experienced groupb (n = 6)
	Close type (C1–C3)	15.7	41.5	27.7	75.9	64.0	71.2
	Open type (O1–O3)	23.0	53.2	51.4	75.9	82.2	72.0

EAG = endoscopic atrophic gastritis.

^aExperienced group was defined by their endoscopic experience over 10 years; ^bLess-experienced group was defined by their endoscopic experience less than 10 years.