Gastric antral adherent mucus thickness
| Subjects | Number | Mean age (y) | Mucus thickness (μm) |
| H pylorinegative | 20 | 57.4 | 106 (30) |
| H pylori positive total | 20 | 59.1 | 94 (24) |
| H pylori positive without atrophy | 11 | 56.6 | 104 (26) |
| H pylori positive with atrophy | 9 | 64.8 | 84 (13)1-150 |
↵1-150 Mean (SD) mucus thickness is significantly lower in H pylori positive subjects with gastric atrophy compared with those without (p=0.03).