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Helicobacter pylori status and MCV, folate, and B12 levels.
| H. pylori-positive (n = 213), mean ± SD | H. pylori-negative (n = 76), mean ± SD | p value | |
|---|---|---|---|
| MCV (fl) | 86.1 ± 6.0 | 84.9 ± 7.9 | a0.188 |
| Folate (ng/dl) | 8.3 ± 3.2 | 10.9 ± 4.0 | a0.001∗∗ |
| B 12 (median) (min–max) | 276.5 ± 134.0 (256.0) | 338.4 ± 160.8 (299.5) | d0.003∗ |
aStudent's t-test. dMann–Whitney U test. ∗p < 0.05. ∗∗p > 0.01. Min: minimum; Max: maximum; SD: standard deviation; B12: pg/ml; MCV: mean corpuscular volume.
