Table 3.

Prevalence of hepatitis B immunity in clinic patients

VARIABLEHEPATITIS B IMMUNITY (SURFACE ANTIBODY)
NO. OF POSITIVE RESULTS (NO. OF AVAILABLE RESULTS)PREVALENCE, %P VALUE
Total351 (903)39
Sex.33
  • Male143 (387)37
  • Female208 (516)40
Age group, y< .001
  • 0–439 (57)68
  • 5–1454 (109)50
  • 15–2993 (265)35
  • 30–44105 (329)32
  • 45–5938 (106)36
  • ≥ 6022 (37)59
Region6< .001
  • Africa130 (316)41
  • Americas*27 (69)39
  • Asia†89 (139)64
  • Eastern Mediterranean49 (143)34
  • Europe56 (236)24

  • ↵* Excludes patients born in Canada and the United States.

  • ↵† Asia region includes World Health Organization regions6 of South-East Asia and the Western Pacific.