Hib geometric mean antibody avidities (GMAIs) after the third dose of Hib for infants who did not require a fourth dose and after the third and fourth dose for those who did
| Hib IgG >1.0 μg/ml after primary immunisations (no 4th dose given) | Hib IgG <1.0 μg/ml after primary immunisations (4th dose given) | |
|---|---|---|
| 95% CI, 95% confidence interval; NA, not applicable. | ||
| Hib GMAI after 3rd dose | 76.87 | 30.87 |
| 95% CI | 67.15 to 88.00 | 20.40 to 46.73 |
| Number | 26 | 11 |
| Hib GMAI after 4th dose | NA | 103.86 |
| 95% CI | NA | 87.87 to 122.77 |
| Number | NA | 80 |
| p Value | NA | < 0.0001 |