Table 1.
Demographic and Clinical Characteristics of Patients With Invasive Haemophilus influenzae Serotype a Disease
| Demographic Characteristic | Value (n = 51) |
|---|---|
| Age, median (IQR), months | 11.3 (6.2–41) |
| Age group, n (%), years | |
| <1 | 27 (52.9) |
| 1–4 | 20 (39.2) |
| 5–17 | 4 (7.9) |
| Male sex, n (%) | 27 (53) |
| Race/ethnicity, n (%) | |
| White | 39 (76.5) |
| Black | 2 (3.9) |
| Asian/Native, Hawaiian/Pacific Islander | 2 (3.9) |
| Hispanic | 3 (5.9) |
| American Indian/Alaskan Native | 1 (2) |
| Unknown | 4 (7.8) |
| Clinical characteristics | |
| Disease classification, n (%) | |
| Meningitisa | 27 (52.9) |
| Pneumonia with bacteremia | 7 (13.7) |
| Septic arthritisa | 7 (13.7) |
| Bacteremia (all other sources)b | 10 (19.6) |
| Outcomes | |
| Hospital admission, n (%) | 49 (96) |
| Hospital LOS, days, median (IQR) | 4.8 (2–10) |
| ICU admission, n (%) | 22 (43.1) |
| ICU LOS, median (IQR), days | 2 (1.4–5.6) |
| Death, n (%) | 1 (2) |
Abbreviations: ICU, intensive care unit; IQR, interquartile range; LOS, length of stay.
aOne patient was classified as having both arthritis and meningitis.
bBacteremia was in association with central line associated blood stream infection (1), peritonitis (1), acute otitis media (3), or no identifiable source (4).