Operative link on gastritis assessment stage is an appropriate predictor of early gastric cancer

Table 1 Clinicopathological characteristics and endoscopic gastric atrophy classification

	EGC group	Non-EGC group	P value
Total patients, n (%)	71 (100)	156 (100)
Sex, n (%)			> 0.050
Male	51 (71.8)	98 (62.8)
Female	20 (28.2)	58 (37.2)
Age (yr)	64.0 ± 9.1	62.2 ± 7.4	> 0.050
H. pylori infection rate	70.4%	61.5%	> 0.050
EGA classification			< 0.001
C0	1	6
C1	3	18
C2	21	62
C3	7	29
O1	23	30
O2	12	11
O3	4	0
Atrophic rate	98.6%	96.2%	> 0.050
OLGA stage			< 0.001
0	1	6
I	16	65
II	17	49
III	27	27
IV	10	9
OLGIM stage			< 0.001
0	6	45
I	17	47
II	18	33
III	20	23
IV	10	8
IM rate	91.5%	71.2%	0.001
IM subtype			0.019
Complete IM	13	41
Incomplete IM	52	70

EGA: Endoscopic gastric atrophy; EGC: Early gastric cancer; H. pylori: Helicobacter pylori; IM: Intestinal metaplasia; OLGA: Operative Link for Gastritis Assessment; OLGIM: Operative Link on Intestinal Metaplasia Assessment.