Table 3. Distribution Between Allelic Variants of vacA and Clinical Outcomes a,b.
| Allelic variants of vacA | PUD (n = 27) | NUD (n = 53) | Cancer (n = 3) | Total (n = 83) | X2 | P Value |
|---|---|---|---|---|---|---|
| s1 | ||||||
| s1a | 11 (40.7) | 24 (45.3) | 2 (66.1) | 37 (44.6) | 0.764 | 0.682 |
| s1b | 0 | 2 (3.8) | 0 | 2 (2.4) | 1.16 | 0.560 |
| s1c | 5 (18.5) | 7 (13.2) | 1 (33.3) | 13 (15.7) | 1.118 | 0.572 |
| s2 | 5 (18.5) | 11 (20.8) | 0 | 16 (19.3) | 0.801 | 0.610 |
| m1 | ||||||
| m1a | 6 (22.2) | 7 (13.2) | 1 (33.3) | 14 (16.9) | 1.638 | 0.441 |
| m1b | 2 (7.4) | 5 (9.4) | 0 | 7 (8.4) | 0.382 | 0.826 |
| m2 | ||||||
| - | 13 (48.1) | 32 (60.4) | 2 (66.7) | 47 (56.6) | 1.217 | 0.544 |
| s1a/m1a | 3 (11.1) | 4 (7.5) | 1 (33.3) | 8 (9.6) | 2.267 | 0.322 |
| s1a/m1b | 1 (3.7) | 1 (1.9) | 0 | 2 (2.4) | 0.328 | 0.849 |
| s1b/m1a | 0 | 0 | 0 | 0 | - | - |
| s1b/m1b | 0 | 0 | 0 | 0 | - | - |
| s1c/m1a | 1 (3.7) | 2 (3.8) | 0 | 3 (3.6) | 0.117 | 0.943 |
| s1c/m1b | 1 (3.7) | 2 (3.8) | 0 | 3 (3.6) | 0.117 | 0.943 |
| s1a/m2 | 7 (25.9) | 18 (34) | 2 (66.7) | 27 (32.5) | 2.179 | 0.336 |
| s1b/m2 | 0 | 2 (3.8) | 0 | 2 (2.4) | 1.160 | 0.560 |
| s1c/m2 | 4 (14.8) | 3 (5.7) | 0 | 7 (8.4) | 2.228 | 0.328 |
| s2/m1a | 2 (7.4) | 1 (1.9) | 0 | 3 (3.6) | 1.682 | 0.431 |
| s2/m1b | 0 | 2 (3.8) | 0 | 2 (2.4) | 1.160 | 0.560 |
| s2/m2 | 3 (11.1) | 8 (15.1) | 0 | 11 (13.3) | 0.722 | 0.697 |
a Data are presented as No.(%).
b Abbreviations: PUD; peptic ulcer dyspepsia, NUD; non-ulcer dyspepsia.