Table 1.
Characteristics of studied health care workers.
| Vaccinees | p-value (comparing exposure scores) |
Non- vaccinated controls |
Subjects recovered from acute HBV |
p-value (comparing all groups) |
|||
|---|---|---|---|---|---|---|---|
| Exposure Score | |||||||
| 0 | 1 | ≥ 2 | |||||
| Subjects (n) | 43 | 14 | 33 | 10 | 25 | ||
| Male, n (%) | 13 (30) | 2 (14) | 10 (30) | n.s. | 3 (30) | 14 (56) | n.s. |
| Age, years (mean ± SD) | 47.7 ± 10 | 47.7 ± 9 | 47.0 ± 11 | n.s. | 47.3 ± 12 | 56.7 ± 9 | 0.004 |
| Time since vaccination, years (mean ± SD) | 17.4 ± 5 | 18.2 ± 5 | 18.1 ± 5 | n.s. | n.a. | n.a. | |
| Anti-HBc-positive (n) | 0 | 0 | 0 | 0 | 25 | ||
n.a., not applicable; n.s., not significant