Table 1.
Subject demographics by vaccine group.
| Parameter | TIV1 (%) | ADV (%) | IDV (%) | TIV2 (%) | Total (%) |
|---|---|---|---|---|---|
| Enrolled, vaccinated | 31 | 29 | 29 | 31 | 120 |
| Male/Female | 18/13 | 17/12 | 18/11 | 18/13 | 71/49 |
| Age, mean, yrs | 74.2 | 73.7 | 73.4 | 73.9 | 73.8 |
| 65–69 | 9 (29.0) | 7 (24.1) | 8 (27.6) | 8 (25.8) | 32 (26.7) |
| 70–74 | 10 (32.3) | 9 (31.0) | 10 (34.5) | 10 (32.3) | 39 (32.5) |
| 75+ | 12 (38.7) | 13 (44.8) | 11 (37.9) | 13 (41.9) | 49 (40.8) |
| Well | 19 (61.3) | 21 (72.4) | 16 (55.2) | 18 (58.1) | 74 (61.7) |
| Co-morbidity | 10 (32.8) | 7 (24.1) | 12 (41.4) | 12 (38.7) | 41 (34.2) |
| Mildly frail | 2 (6.4) | 1 (3.4) | 1 (3.4) | 1 (3.2) | 5 (4.2) |
| Flu vaccinated both | 30 (96.8) | 29 (100) | 29 (100) | 30 (96.8) | 118 (98.3) |
| previous years | |||||
| White, Caucasian | 30 (96.8) | 25 (86.2) | 26 (89.7) | 31 (100) | 112 (93.3) |
| Mean BMI | 25.4 | 25.4 | 25.8 | 26.1 | 25.7 |
| Health conditions | |||||
| 0 | 2 (6.4) | 6 (20.7) | 3 (10.3) | 4 (12.9) | 15 (12.5) |
| 1–3 | 16 (51.6) | 13 (44.8) | 10 (34.5) | 15 (48.4) | 54 (45.0) |
| 4+ | 13 (41.9) | 10 (34.5) | 16 (55.2) | 12 (38.7) | 51 (42.5) |
| Baseline HAI titer ≥ 40* | |||||
| A/H3N2 | 8 (25.8) | 9 (31.0) | 11 (37.9) | 12 (38.7) | 40 (33.3) |
*
data previously published21, referring to the 2011-2012 vaccine strain
TIV1= subunit vaccine; ADV = subunit vaccine with MF59 adjuvant; TIV2= split-virus vaccine; IDV = split-virus vaccine given intradermally