Table 1.
Demographic characteristics of intensive care unit (ICU) patients with pandemic influenza A (H1N1pdm09) virus infection
| Patient demographics | Children <18 years (n = 46) | Adults ≥18 years (n = 108) | Total (n = 154) |
|---|---|---|---|
| Female, no. (%) | 23 (50) | 56 (52) | 79 (51) |
| Age, median (IQR)* | 8 (3–13) | 43 (29–52) | 30 (14–47) |
| Age group, no. (%) | |||
| 0–23 months | 9 (20) | – | 9 (6) |
| 2–4 years | 6 (13) | – | 6 (4) |
| 5–9 years | 9 (20) | – | 9 (6) |
| 10–17 years | 22 (48) | – | 22 (14) |
| 18–49 years | – | 73 (68) | 73 (47) |
| 50–64 years | – | 27 (25) | 27 (18) |
| 65+ years | – | 8 (7) | 8 (5) |
| Race and ethnicity, no. (%) | |||
| Hispanic | 12 (26) | 22 (20) | 34 (22) |
| Non‐Hispanic white | 13 (28) | 49 (45) | 62 (40) |
| Black | 11 (24) | 23 (21) | 34 (22) |
| Other** | 2 (4) | 8 (7) | 10 (7) |
| Unspecified | 8 (17) | 6 (6) | 14 (9) |
*Interquartile range.
**Includes Asian, Native Hawaiian or Pacific Islander, American Indian or Alaska Native, and Multiracial.