Table 4.
Average annual incidencea and incidence rate ratios for H. influenzae serotype a disease among American Indian and Alaska Native persons compared to persons of all other races—United States and Alaska, 2008–2017
|
United States
|
Alaska
|
|||||
|---|---|---|---|---|---|---|
| Estimated Cases | Estimated Incidence | Incidence Rate Ratio | Cases | Incidence | Incidence Rate Ratio | |
| All ages | ||||||
| AI/AN | 433 | 1.01 | 11.2 | 46 | 3.22 | 4.7 |
| All other races | 2,700 | 0.09 | Ref | 3 | 0.68 | Ref |
|
| ||||||
| Children aged <5 years | ||||||
| AI/AN | 313 | 8.29 | 16.9 | 43 | 27.74 | 54.4 |
| All other races | 968 | 0.49 | Ref | 2 | 0.51 | Ref |
|
| ||||||
| Infants aged <1 year | ||||||
| AI/AN | 136 | 17.78 | 13.9 | 26 | 82.39 | 63.9 |
| All other races | 504 | 1.28 | Ref | 1 | 1.29 | Ref |
Abbreviations: AI/AN, American Indian and Alaska Native; CI, confidence interval.
Note: Incidence presented in cases per 100,000 population.