Table 1.
Difference in the relative mean abundance of taxa at genus level in Helicobacter pylori-positive and -negative groups
| Genus | Relative mean abundance (%) ± SD | ||
|---|---|---|---|
| H. pylori | H. pylori | Pa | |
| negative (n = 34) | positive (n = 13) | ||
| Neisseria | 4.76 ± 5.93 | 11.74 ± 7.10 | <0.01 |
| Rothia | 6.83 ± 7.44 | 1.81 ± 1.36 | <0.001 |
| {Unknown Order} TM7-3 | 2.74 ± 3.54 | 0.80 ± 0.89 | <0.01 |
| Leptotrichia | 2.06 ± 1.84 | 1.18 ± 1.02 | <0.05 |
| {Unknown Genus} Lachnospiraceae | 0.90 ± 0.84 | 0.33 ± 0.30 | <0.01 |
| Megasphaera | 0.72 ± 0.76 | 0.38 ± 0.33 | <0.05 |
| {Unknown Genus} F16 | 0.49 ± 0.60 | 0.21 ± 0.23 | <0.05 |
| Moryella | 0.32 ± 0.39 | 0.11 ± 0.13 | <0.05 |
| Filifactor | 0.28 ± 0.45 | 0.09 ± 0.16 | <0.05 |
| Paludibacter | 0.04 ± 0.06 | 0.01 ± 0.02 | <0.05 |
Ten taxa with significant differences among 253 detected are shown. Some taxa that could not be identified at genus level were classified at higher levels. Notations in parentheses indicate classification level. aCalculated using Welch’s t-test