Occurrence of Fusobacteria (Fnuc/Fnec/Fuso) at specific locations
| No appendicitis | Catarrhal appendicitis | Suppurative appendicitis | Caecal biopsy | Faecal cylinder | |
| All locations, % (number) | 6% (1/18) | 52%* (13/25) | 70%* (19/27) | 0.5% (2/400) | 2% (8/400) |
| Lumen | 5% | 44%* | 52%* | 0.5% | 2% |
| Infiltration of epithelial cells | 5% | 40%* | 29%* | 0 | |
| Submucosal infiltration | 0 | 36%* | 56%* | 0 |
↵* p<0.01 from operated patients without appendicitis and from controls.