Table 1. HI-reactive antibody titers of post-vaccinated patient sera of KUMC Guro Hospital.
| Post-vaccinated sera of KUMC patients in the 2011–12 season | ||||
|---|---|---|---|---|
| Group | Virus | GMT (± SD)a | 95% CIb | % ratio of ≥ 40 HI titerc |
| Vaccine | X-187 | 239.88 ± 2.40 | 199.53–292.12 | 100 (80/80) |
| X-187/HA:T228S | 211.12 ± 2.29 | 173.78–251.19 | 100 (80/80) | |
| VI210 | 220.47 ± 2.29 | 181.97–263.03 | 100 (80/80) | |
| Korea HA clade II | KUMC1601 | 13.08 ± 1.74 | 11.48–14.79 | 6.25 (5/80) |
| KUMC1704 | 9.02 ± 1.55 | 8.13–10.00 | 5.00 (4/80) | |
| KUMC2510 | 18.5 ± 1.58 | 16.60–20.42 | 17.50 (14/80) | |
| KUMC2602 | 15.69 ± 1.74 | 13.80–17.78 | 12.50 (10/80) | |
| KUMC3005 | 29.03 ± 1.70 | 25.70–32.36 | 48.75 (39/80) | |
| KUMC4103 | 18.18 ± 1.62 | 16.22–20.42 | 16.25 (13/80) | |
| Korea HA clade III | KUMC0502 | 8.41 ± 1.78 | 7.41–9.55 | 3.75 (3/80) |
| KUMC2006 | 16.25 ± 1.91 | 14.13–18.62 | 16.25 (13/80) | |
| KUMC3201 | 14.39 ± 2.00 | 12.30–16.60 | 13.75 (11/80) | |
| KUMC3603 | 33.35 ± 1.66 | 29.51–37.15 | 58.75 (47/80) | |
| KUMC6603 | 20.53 ± 1.74 | 18.20–23.44 | 25.00 (20/80) | |
| KUMC8103 | 10.72 ± 1.91 | 9.33–12.30 | 6.25 (5/80) | |
aGeometric mean titer (GMT) is indicated with standard deviation (SD).
bConfidence interval.
cThe number of serum samples exhibiting more than 40 HI titer is indicated in parenthesis.