Table 4.
Summary of pertussis antibodies persistence (GMCs) following a 2 + 1 schedule: persistence analysis set.
| Group 3 (N = 173–180) |
Group 4 (N = 183–190) |
|
|---|---|---|
| Anti-PT | ||
| GMC, EU/mL (95% CI) | 5.3 (4.6, 6.1) | 3.6 (3.2, 4.1) |
| Anti-FHA | ||
| GMC, EU/mL (95% CI) | 6.6 (5.5, 7.9) | 11.1 (9.1, 13.4) |
| Anti-PRN | ||
| GMC, EU/mL (95% CI) | 5.9 (5.1, 6.9) | 7.2 (6.2, 8.3) |
| Anti-FIM | ||
| GMC, EU/mL (95% CI) | 26.0 (21.9, 30.9) | 2.1 (2.0, 2.3) |
CI, confidence interval; EU, ELISA units; FHA, filamentous hemagglutinin; FIM, fimbriae; GMC, geometric mean concentration; PRN, pertactin; PT, pertussis toxin.