Table 3 Virulence factors of H. pylori from Vietnam
Total (n = 100) | Peptic ulcer (n = 24) | Chronic gastritis (n = 76) | p | |
|---|---|---|---|---|
cagA | > 0.05 | |||
Positive | 95 (95%) | 24 (100%) | 71 (93.4%) | |
Negative | 5 (5%) | 0 (0%) | 5 (6.6%) | |
cagE | > 0.05 | |||
Positive | 88 (88%) | 24 (100%) | 64 (84.2%) | |
Negative | 12 (12%) | 0 (0%) | 12 (15.8%) | |
vacA m † | < 0.05 | |||
m1 | 48 (48%) | 17 (70.8%) | 31 (40.8%) | |
m2 | 52 (52%) | 7 (29.2%) | 45 (59.2%) | |
vacA s | > 0.05 | |||
s1 | 100 (100%) | 24 (100%) | 76 (100%) | |
s2 | 0 (0%) | 0 (0%) | 0 (0%) | |
vacA i | > 0.05 | |||
i1 | 94 (94%) | 24 (100%) | 70 (92.1%) | |
i2 | 6 (6%) | 0 (0%) | 6 (7.9%) | |
babA | > 0.05 | |||
Positive | 92 (92%) | 24 (100%) | 68 (89.5%) | |
Negative | 8 (8%) | 0 (0%) | 8 (10.5%) | |
oipA status | > 0.05 | |||
On | 100 (100%) | 24 (100%) | 76 (100%) | |
Off | 0 (0%) | 0 (0%) | 0 (0%) | |
iceA | > 0.05 | |||
iceA1 | 50 (50%) | 13 (54.2%) | 37 (48.7%) | |
iceA2 | 44 (44%) | 11 (45.8%) | 33 (43.5%) | |
Both iceA1/2 | 3 (3%) | 0 (0%) | 3 (3.9%) | |
None | 3 (3%) | 0 (0%) | 3 (3.9%) | |
homB | > 0.05 | |||
Positive | 39 (39%) | 7 (29.2%) | 32 (42.1%) | |
Negative | 61 (61%) | 17 (70.8%) | 44 (57.9%) | |
Quadruple positivity † | < 0.05 | |||
Yes | 45 (45%) | 17 (70.8%) | 28 (36.8%) | |
No | 55 (55%) | 7 (29.2%) | 48 (63.2%) |