TABLE 1.
Reciprocal HI titers, seropositive rates, seroprotection rates, and seroconversion rates at the baseline and at days 15 and 30 in healthy HCP immunized with the 2009 pandemic influenza A H1N1 vaccinea
| Time point | Participant | GMT (95% CI) | % with titers of ≥1:10 (95% CI) | % with titers of ≥1:40 (95% CI) | Seroconversion rate (%) (95% CI) |
|---|---|---|---|---|---|
| T0 | 103 | 5.96 (5.34-6.64) | 9.7 (3.9-15.5) | 4.8 (0.6-9.1) | |
| T15 | 96 | 63.50 (49.57-81.34)* | 87.5 (80.8-94.2)* | 80.2 (72.1-88.3)* | 79.2 (70.9-87.4) |
| T30 | 95 | 111.09 (80.97-152.42)* | 86.4 (79.3-93.4) | 83.2 (75.5-90.8) | 82.1 (74.3-90.0) |
a
Tn, day n; *, based on a test of significance between time points T0 and T15 and between time points T15 and T30(P < 0.05).