Table 1.
Patient Demographics and Characteristics in the Total Vaccinated Cohort
| Characteristic | Aged 18–64 years |
Aged ≥65 years |
||
| Vaccine (n = 2304) | Placebo (n = 768) | Vaccine (n = 1118) | Placebo (n = 371) | |
| Age, mean years (range) | 38.5 (18–64) | 38.7 (18–64) | 71.9 (65–91) | 72.1 (65–89) |
| Age stratum, no. (%) | ||||
| 18–49 years | 1707 (74.1) | 568 (74.0) | … | … |
| 50–64 years | 597 (25.9) | 200 (26.0) | … | … |
| 65–74 years | … | … | 783 (70.0) | 261 (70.4) |
| ≥75 years | … | … | 335 (30.0) | 110 (29.6) |
| Female sex, no. (%) | 1328 (57.6) | 424 (55.2) | 621 (55.5) | 196 (52.8) |
| Race, n (%) | ||||
| White; European heritage | 1980 (85.9) | 647 (84.2) | 1050 (93.3) | 345 (93) |
| African heritage/African American | 219 (9.5) | 90 (11.7) | 40 (3.6) | 14 (3.8) |
| White; Arabic/North African heritage | 30 (1.3) | 8 (1.0) | 19 (1.7) | 7 (1.9) |
| American Indian or Alaskan native | 10 (0.4) | 7 (0.9) | 1 (0.1) | 0 |
| Asian | ||||
| Central/South | 7 (0.3) | 0 | 1 (0.1) | 1 (0.3) |
| East | 6 (0.3) | 1 (0.1) | 2 (0.2) | 2 (0.5) |
| Japanese | 2 (0.1) | 1 (0.1) | 0 | 0 |
| Southeast | 9 (0.4) | 6 (0.8) | 2 (0.2) | 1 (0.3) |
| Native Hawaiian/other Pacific Islander | 5 (0.2) | 2 (0.3) | 0 | 0 |
| Weight, mean kg (SD) | 82.6 (21.15) | 81.8 (20.64) | 80.9 (17.51) | 80.8 (17.97) |
NOTE. The candidate vaccine was H5N1 A/Indonesia/05/2005 (IBCDC-RG2) adjuvanted with AS03A (tocopherol-based oil-in-water emulsion). SD, standard deviation.