Association between cag-pathogenicity island in Helicobacter pylori isolates from peptic ulcer, gastric carcinoma, and non-ulcer dyspepsia subjects with histological changes

Table 8 Correlation of the histological status of the subjects with intact and partially deleted cag-PAI from varied disease status

Clinical status	Chronic gastritis								Gastric carcinoma
(n)	cag status	Superficial gastritis	Gastritis with atrophy (%)	Gastritis with metaplasia (%)			Gastritis with dysplasia (%)		Intestinal (%)	Diffuse (%)
	(n)	(%)		Ty-1	Ty-2	Ty-3	Low grade	High grade
DU (58)	Intact (4)	0	0	0	0	4 (100)	0	0	0	0
	Partial (54)	52 (96.3)	2 (3.7)	0	0	0	0	0	0	0
GU (46)	Intact (45)	8(17.8)a	13 (28.9)	0	0	14 (31.1)	0	10 (22.2)	0	0
	Partial (1)	1 (100)	0	0	0	0	0	0	0	0
NUD (56)	Intact (4)	0	4(100)a	0	0	0	0	0	0	0
	Partial (52)	51 (98.1)	1 (1.9)	0	0	0	0	0	0	0
GC (14)	Intact (12)	0	0	0	0	0	0	0	12 (100)b	0
	Partial (2)	0	0	0	0	0	0	0	2 (100)	0

^aP <0.05, ^bP <0.001 vs others.