Reciprocal impact of host factors and Helicobacter pylori genotypes on gastric diseases

Table 2 Distribution of genotypes in Helicobacter pylori isolates n (%)

Characteristic		CG	GU	DU	Total
No. of cases		113 (48.5)	64 (27.5)	56 (24.0)	233 (100)
Sex	Female	62 (54.9)	27 (42.2)	15 (26.8)	104 (44.6)
	Male	51 (45.1)	37 (57.8)	41 (73.2)	129 (55.4)
Age	< 40 yr	43 (38.1)	5 (7.8)	17 (30.4)	65 (27.9)
	> 40 yr	70 (61.9)	59 (92.2)	39 (69.6)	168 (72.1)
vacA	s1	83 (73.5)	53 (82.8)	55 (98.2)	191 (82.0)
	s2	30 (26.5)	11 (17.2)	1 (1.8)	42 (18.0)
	m1	32 (28.3)	16 (25)	20 (35.7)	68 (29.2)
	m2	81 (71.7)	48 (75)	34 (60.7)	163 (70.0)
	s1m1	24 (21.2)	15 (23.4)	19 (33.9)	58 (24.9)
	s1m2	59 (52.2)	38 (59.4)	34 (60.7)	131 (56.2)
	s2m1	6 (5.3)	1 (1.6)	0	7 (3.0)
	s2m2	24 (21.2)	10 (15.6)	1 (1.8)	35 (15.0)
cagA	+	82 (72.6)	50 (78.1)	37 (66.1)	169 (72.5)
	-	31 (27.4)	14 (21.9)	19 (33.9)	64 (27.5)
s1m1cagA	+	17 (15.0)	10 (15.6)	10 (17.9)	37 (15.9)
	-	7 (6.2)	5 (7.8)	9 (16.1)	21 (9.0)
s1m2cagA	+	41 (36.3)	30 (46.9)	24 (42.9)	95 (40.8)
	-	18 (15.9)	8 (12.5)	10 (17.9)	36 (15.5)
s2m1cagA	+	5 (4.4)	1 (1.6)	0	6 (2.6)
	-	1 (0.9)	0	0	1 (0.4)
s2m2cagA	+	19 (16.8)	9 (14.1)	1 (1.8)	29 (12.4)
	-	5 (4.4)	1 (1.6)	0	6 (2.6)
s1m1m2cagA	+	0	0	2 (3.6)	2 (0.8)
	-	0	0	0	0

CG: Chronic gastritis; DU: Duodenal ulcer; GU: Gastric ulcer.