Table 1.
Pneumococcal IgG concentrationsa
| Serotype | GMC (95% CI) of anti-PS, μg/ml |
% of children with antibody concentrations of ≥0.35μg/ml (95% CI) |
||
|---|---|---|---|---|
| PCV7 (n = 382) | Control (n = 341) | PCV7 (n = 382) | Control (n = 341) | |
| 4 | 0.51 (0.46–0.57) | 0.33 (0.30–0.38) | 64 (59–69) | 47 (41–52) |
| 6B | 3.33 (2.92–3.81) | 0.59 (0.52–0.67) | 96 (94–98) | 70 (65–75) |
| 9V | 0.95 (0.84–1.08) | 0.58 (0.50–0.67) | 80 (76–84) | 69 (64–74) |
| 14 | 1.94 (1.68–2.24) | 0.58 (0.50–0.66) | 90 (86–92) | 64 (59–69) |
| 18C | 0.76 (0.66–0.87) | 0.34 (0.29–0.39) | 73 (68–77) | 49 (43–54) |
| 19F | 4.66 (4.07–5.34) | 1.38 (1.21–1.57) | 98 (96–99) | 86 (82–89) |
| 23F | 1.19 (1.04–1.37) | 0.36 (0.31–0.41) | 82 (78–86) | 51 (46–57) |
a
Results are GMC (μg/ml) and percentage of children with IgG antibody concentrations of ≥0.35μg/ml at the age of 4 to 5 years in children vaccinated with PCV7 or control vaccine at 2, 4, 6, and 12 months of age.