| Markers VHB | Number (n) | Percentage (%) |
| HBs Ag | 15 | 5.3 |
| Anti HBc | 37 | 13.1 |
| Anti HBs | 44 | 15.6 |
| Anti HBc/HbsAg | 15 | 5.3 |
| Anti HBc/Anti HBs | 22 | 7.8 |
| Seronegatives | 223 | 79.1 |
| Immunized | 22 | 7.8 |