Can endoscopic atrophy predict histological atrophy? Historical study in United Kingdom and Japan

Table 3 Univariate analysis of factors significantly associated with reduced concordance between endoscopic and histological atrophy n (%)

	Concordant group (n = 180)	Discordant group (n = 72)	OR	95%CI	P values
Populations
United Kingdom	107 (84.9)	19 (15.1)	1	Referent	< 0.001
Japan	69 (54.8)	57 (45.2)	0.22	0.12-0.39
Helicobacter pylori IgG
Negative	113 (78.5)	31 (21.5)	1	Referent	0.001
Positive	60 (58.3)	43 (41.7)	0.38	0.22-0.67
Age (yr)
< 50	102 (82.3)	22 (17.7)	1	Referent	< 0.001
≥ 50	74 (57.8)	54 (42.2)	0.30	0.17-0.53
Sex
Male	80 (74.8)	27 (25.2)	1	Referent	0.143
Female	96 (66.2)	49 (33.8)	0.66	0.38-1.15
Pepsinogen I/II ratio
> 3.0	141 (73.8)	50 (26.2)	1	Referent	0.015
≤ 3.0	35 (57.4)	26 (42.6)	0.48	0.26-0.87
Endoscopic atrophy
No atrophy	79 (95.2)	4 (4.8)	1	Referent	< 0.001
Others	97 (57.4)	72 (42.6)	0.07	0.02-0.20