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Demographics of subjects enrolled
| Group (n) | Mean age (yr) at the time of the first dose (range, 12-18 yr) | Sex ratio (% female/% male) |
|---|---|---|
| 0-2-4m MenB group (162) | 15.2 | 54.9/45.1 |
| 0-1-6m MenB group (159) | 15.1 | 55.3/44.7 |
| 0-1-6m control group (157) | 15.2 | 47.1/52.9 |
