Frequency of mucosal appearances and histological diagnosis
| Helicobacter pylori status according to patient interview, medical records and results of all biopsies (±rapid urease test if taken): | |||
| H. pylori naïve (n=111) | H. pylori infected (n=28) | H. pylori eradicated (n=14) | |
| Prevalence of endoscopic findings: | |||
| RAC | 90 (81.1%) | 10 (35.7%) | 8 (57.1%) |
| Diffuse redness | 27 (28.8%) | 13 (46.4%) | 1 (7.1%) |
| Mucosal oedema | 9 (8.1%) | 7 (25.0%) | 0 (0%) |
| Map-like redness | 8 (7.2%) | 3 (10.7%) | 6 (42.9%) |
| Erosions | 15 (13.5%) | 4 (14.3%) | 1 (7.1%) |
| Gastro-duodenal ulceration | 3 (2.7%) | 4 (14.3%) | 1 (7.1%) |
| Haem flecks | 10 (9.0%) | 0 (0%) | 0 (0%) |
| Oesophagitis | 1 (0.9%) | 1 (3.6%) | 0 (0%) |
| Antral nodularity | 0 (0%) | 1 (3.6%) | 0 (0%) |
| Prevalence of histological findings: | |||
| Histologically normal | 65 (58.6%) | 0 (0%) | 5 (35.7%) |
| Acute gastritis | 7 (6.3%) | 20 (71.4%) | 0 (0%) |
| Chronic gastritis | 37 (33.3%) | 17 (60.7%) | 7 (50.0%) |
| Gastric atrophy | 2 (1.8%) | 0 (0%) | 4 (7.1%) |
| Gastric metaplasia | 4 (3.6%) | 2 (7.1%) | 4 (28.6%) |
| Helicobacter-like organisms | 0 (0%) | 28 (100%) | 0 (0%) |
NB: Figures do not sum to 100% as findings may coexist in patients.
RAC, regular arrangement of collecting venules.