| Risk factors | Anti-HBC | p | ||||
| Positive | Négative | |||||
| n | % | n | % | |||
| Age | <50 ans | 11 | 85.7 | 648 | 85.9% | 0.8008 |
| >50 ans | 4 | 14.3 | 107 | 14.1% | ||
| Sex | Masculin | 6 | 42.85 | 304 | 40.26% | 0.7773 |
| Féminin | 9 | 57.15 | 451 | 59 .74% | ||
| IBD | MC | 10 | 57.15 | 391 | 51.8% | 0.4259 |
| RCH | 5 | 42.85 | 364 | 48.2% | ||
| surgery | Oui | 1 | 14 .3 | 150 | 19.9% | 0.8459 |
| NON | 14 | 85.7 | 605 | 80.1% | ||
| Transfusion | Oui | 4 | 28.57 | 167 | 22.07% | 0.2618 |
| NON | 11 | 71.43 | 588 | 77.93% | ||
| Digestive endoscopy | OUI | 15 | 100 | 729 | 96.54% | 0.9704 |
| NON | 0 | 0 | 26 | 3.46% | ||