TABLE 3.
Geometric mean IgG concentrations against OMVs from strain 44/76 as measured by ELISA
| Vaccine group | Pre-vacc.a
|
6 wk after 2nd dose
|
6 wk after 3rd dose
|
10 mo after 3rd dose
|
6 wk after 4th dose
|
1 yr after 4th dose
|
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GMCb (95% CI) | n | GMC (95% CI) | n | GMC (95% CI) | n | GMC (95% CI) | n | GMC (95% CI) | n | GMC (95% CI) | n | |
| MenBvac | 18 (16-19) | 227 | 995 (902-1,097) | 227 | 1,136 (1,027-1,256) | 221 | 251 (223-282) | 207 | 1,738 (1,574-1,920) | 202 | 460 (409-518) | 187 |
| Placebo | 18 (15-20) | 120 | 17 (15-19) | 120 | 16 (14-19) | 116 | 41 (35-48) | 110 | 41 (35-48) | 107 | 40 (35-47) | 94 |
a
Pre-vacc., prevaccination.
b
Expressed in units per milliliter.