HBV markers (HCWs)

Positive proportion (%) (n = 81)

p value at 95% CI

HBs Ag

37.04% (30/81)

Not significant

Anti-HBs Ab

33.3% (27/81)

Anti-HBcAb

30.86% (25/81)

HBs Ag⁺ anti-HBc Ab⁺

Current infection

4.94% (4/81)

HBs Ag, Anti-HBs Ab⁺ and anti-HBc Ab⁺

Immune due to past infection

23.47% (19/81)

p = 0.0001

Only anti-HBs Ab⁺

Immune due to vaccine

2.47% (2/81)