Table 3. Serological profile of HBV infection among healthcare workers.
| HBV serological markers | Interpretation | Health care works | |||||||
|---|---|---|---|---|---|---|---|---|---|
| HBsAg | Anti-HBc (total antibody) | Anti-HBs | Overalla | Physicians | Nursesb | Laboratory technician | Auxiliary c | Others | |
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | ||||
| [95%CI] | [95%CI] | [95%CI] | [95%CI] | [95%CI] | [95%CI] | ||||
| + | + | + | Chronic infection | 2 (0.6) | - | 1 (0.8) | - | - | 1 (2.6) |
| [0.1; 2.3] | [0.0; 4.4] | [0.1; 13.5] | |||||||
| + | + | - | Chronic infection | 13 (4.1) | 2 (4.7) | 7 (5.6) | 2 (7.7) | - | 2 (5.1) |
| [2.2; 7.0] | [0.6; 15.8] | [2.3; 11.2] | [0.9; 25.1] | [0.6; 17.3] | |||||
| - | + | - | Isolated anti-HBc (possible HbsAg mutant or false negative result) | 1 (0.3) | - | 1 (0.8) | - | - | - |
| [0.0; 1.8] | [0.0; 4.4] | ||||||||
| - | + | + | Resolved from infection (naturally immune) | 20 (6.3) | 2 (4.7) | 7 (5.6) | 2 (7.7) | 8 (9.8) | 1 (2.6) |
| [3.9; 9.6] | [0.6; 15.8] | [2.3; 11.2] | [0.9; 25.1] | [4.3; 18.3] | [0.1; 13.5] | ||||
| - | - | + | Immune due to vaccination | 189 (60.0) | 25 (58.1) | 65 (52.0) | 20 (77.0) | 53 (65.9) | 26 (66.7) |
| [54.4; 65.5] | [42.1; 73.0] | [42.9; 61.0] | [56.4; 91.0] | [53.3; 74.9] | [49.8; 80.9] | ||||
| - | - | - | Susceptible to infection | 88 (27.9) | 14 (32.6) | 43 (34.4) | 2 (7.7) | 20 (24.4) | 9 (23.1) |
| [23.1; 33.2] | [19.1; 48.5] | [26.1; 43.4] | [0.9; 25.1] | [15.6; 35.1] | [11.1; 39.3] | ||||
| Total | 315 (100) | 43 (100) | 125 (100) | 26 (100) | 82 (100) | 39 (100) | |||
a 2 are missing classification. We do not remove these from the denominator.
b 1 is missing classification. We do not remove these from the denominator.
c 1 is missing classification. We do not remove these from the denominator.