Table 1: Anti- HBc IgM Reactive Specimens Results.
| Anti- HBc IgM Reactive (N = 8) | Site of collection | Anti-HBc IgM (S/CO titre) | Anti- HBc Total (S/CO titre) | Anti- HBs titre (IU/l) |
| 1. | RachBuri | 1.38 | 1.69 | 8.02 |
| 2. | PhuKet | 2.3 | 8.82 | > 1000 |
| 3. | SongKhla | 2.19 | 0.28 | 14.48 |
| 4. | SongKhla | 1.2 | 6.89 | > 1000 |
| 5. | ChiengMai | 2.09 | 7.52 | 187.1 |
| 6. | ChiengMai | 1.59 | 8.92 | > 1000 |
| 7. | KhonKan | 1.32 | 8.85 | > 1000 |
| 8. | KhonKan | 2.7 | 8.88 | > 1000 |