Table 3 Comparison of the characteristics of patients with Helicobacter pylori culture positive between gastric cancer and non-cancer group in Vietnam

Mean age

61.66 ± 13.3^a

65.02 ± 13.32^b

59.72 ± 13.98^c

44.62 ± 13.04^a

44.28 ± 12.97^b

45 ± 13.24^c

Gender

 Male

85 (75.9%)^a

33 (80.5%)

52 (73.2%)^c

47 (45.6%)^a

34 (63%)^d

13 (26.5%)^cd

 Female

27 (24.1%)

8 (19.5%)

19 (26.8%)

56 (54.4%

20 (37%)

36 (73.5%)

CagA

 Western-type

2 (1.8%)

1 (2.4%)

1 (1.4%)

4 (4.1%)

1 (1.9%)

3 (6.5%)

 East Asian-type

110 (98.2%)

40 (97.6%)

70 (98.6%)

94 (95.9%)

51 (98.1%)

43 (93.5%)

Pre-EPIYA

 18 bp deletion-type

94 (85.5%)

33 (84.6%)

61 (85.9%)

80 (77%)

41 (76%)

39 (80%)

 39 bp deletion-type

13 (11.8%)

4 (10.2%)

9 (12.7%)

13 (13%)

9 (17%)

4 (8%)

 No deletion-type

3 (2.7%)

2 (5.1%)

1 (1.4%)

5 (5%)

3 (6%)

2 (4%)

vacA genotype

 s region

  s1

111 (99.1%)

40 (97.6%)

71 (100%)

102 (99%)

53 (98.1%)

49 (100%)

  s1s2

1 (0.9%)

1 (2.4%)

0

1 (1%)

1 (1.9%)

0

 m region

  m1

77 (68.8%)^a

29 (70.7%)

48 (67.6%)^c

44 (44.9%)^a

29 (56.9%)^d

15 (31.9%)^cd

  m2

35 (31.2%)

12 (29.3%)

23 (32.4%)

54 (55.1%)

22 (43.1%)

32 (68.1%)