Table 6.

Prevalence of varicella susceptibility (nonimmune status) in clinic patients

VARIABLEVARICELLA SUSCEPTIBILITY (LACKING IgG ANTIBODY)
NO. SUSCEPTIBLE (NO. AVAILABLE RESULTS)PREVALENCE, %P VALUE
Total66 (814)8
Sex.20
  • Male22 (344)6
  • Female44 (470)9
Age group, y< .001
  • 0–1326 (86)30
  • 14–199 (64)14
  • 20–2912 (204)6
  • 30–3914 (236)6
  • 40–495 (135)4
  • 50–590 (56)0
  • ≥ 600 (33)0
Region6< .001
  • Africa28 (289)10
  • Americas*13 (61)21
  • Asia†11 (116)9
  • Eastern Mediterranean4 (131)3
  • Europe10 (217)5

  • IgG—immunoglobulin G.

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

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