TABLE 3

Predictors of Varicella-Related Complications, 1997–2008

VariableComplication, n (%)Adjusted OR (95% CI)aPb
Age group, mo
    0–511 (6)Reference
    6–1148 (14)2.3 (1.1–4.5).0216
Immunosuppressive illness
    No50 (86)Reference
    Yes8 (14)4.2 (1.6–10.6).0026
No. of lesions
    <5023 (40)Reference
    50–50025 (43)0.97 (0.53–1.8).9226
    >50010 (17)2.9 (1.2–6.9).0168
  • a Adjusted odds ratios (ORs) were calculated by using logistic regression. Variables were mutually adjusted.

  • b P values were estimated by using maximum-likelihood estimates.