Table 1 HBV infection status of HCWs from a Tanzanian tertiary hospital
HBV serological markers | Interpretation | HCW (n = 598) | rHCW (n = 473) | nrHCW (n = 125) | p-value | ||
|---|---|---|---|---|---|---|---|
HBsAg | Anti-HBc | Anti-HBs (U/mL) | subgroup | subgroup | |||
+ | + | <10 | Chronic infection | 42/7.0 % | 35/7.4 % | 7/5.6 % | 0.484 |
- | - | <10 | Susceptible | 187/31.3 % | 144/30.4 % | 43/34.4 % | 0.498 |
- | + | >10 | Immune after healed infection | 218/36.5 % | 171/36.2 % | 47/37.6 % | 0.765 |
- | - | >10 | Immune after vaccination | 121/20.2 % | 99/20.9 % | 22/34.4 % | 0.432 |
+ | + | >10 | Healing infection | 1/0.2 % | 1/0.2 % | --- | -- |
- | + | <10 | Indeterminate: Long-standing resolved infection with low anti-HBs; Current infection with low HBsAg | 29/4.8 % | 23/4.9 % | 6/4.8 % | 0.977 |