A new subtype of 3’ region of cagA gene in Helicobacter pylori strains isolated from Zhejiang Province in China

Table 1 Relationship between subtypes of 3’ region of cagA gene and different group of gastroduodenal diseases (n, %)

Group of diseases	Subtype I	Subtype II	Subtype III	Subtypes I and III	Total
Chronic gastritis	69 (95.8)	2 (2.8)	0 (0)	1 (1.4)	72
Peptic ulcer	53 (91.4)	3 (5.2)	1 (1.7)	1 (1.7)	58
Gastric cancer	1 (50.0)	1 (50.0)	0 (0)	0 (0)	2
Total	123 (93.2)	6 (4.5)	1 (0.8)	2 (1.5)	132

χ² = 11.544, P = 0.17 > 0.05.