Table 4.
B12 levels in H. pylori (+) patients with and without CagA positivity.
| n (%) | B12 level (mean ± SD) in patients with CagA (+) n = 122 | B12 level (mean ± SD) in patients with CagA (−) n = 91 | p value | |
|---|---|---|---|---|
| Total | 213 (100%) | 245.5 ± 112.5 | 301.6 ± 146.1 | a0.003∗∗ |
| Lymphocyte (+) | 181 (85.0%) | 243.9 ± 114.8 | 299.8 ± 154.1 | a 0.006 ∗∗ |
| Activation (+) | 133 (62.4%) | 244.2 ± 114.6 | 304.0 ± 153.4 | a 0.012 ∗∗ |
| Metaplasia (+) | 33 (15.5%) | 222.9 ± 109.4 | 273.3 ± 135.0 | a 0.109 ∗ |
| Atrophy (+) | 33 (15.5%) | 168.4 ± 60.5 | 285.6 ± 134.3 | a 0.001 ∗∗ |
| Lymphoid follicle(+) | 61 (28.6%) | 234.9 ± 135.5 | 284.9 ± 127.0 | a0.033∗∗ |
aStudent's t-test. B12: pg/ml. ∗p > 0.05. ∗∗p < 0.05. SD: standard deviation.