Table 2.
Incidence of Invasive Haemophilus influenzae Serotype a Disease by Age and Race/Ethnicity
| Demographic Characteristics | Incidence/100 000a | 95% Confidence Interval |
|---|---|---|
| Age group, y | ||
| <1 | 4.8 | 3.1–6.9 |
| 1–4 | 0.89 | 0.5–1.4 |
| <5 | 1.7 | 1.2–2.2 |
| 5–17 | 0.03 | 0.004–0.1 |
| All ages | 0.5 | 0.4–0.7 |
| Race/ethnicity (aged <5 years) | ||
| White | 1.5 | 0.1–2 |
| Black | 5.1 | 0.6–18.3 |
| Asian/Native, Hawaiian/Pacific Islander | 7.1 | 0.86–25.6 |
| Hispanic | 0.3 | 0.06–14.1 |
| American Indian/Alaskan Native | 2.4 | 0.6–13.1 |
aAge- or race/ethnicity-specific incidence.