Table 4. PCV-7 vaccine effectiveness estimates.
| Age of IPD cases | Doses for VE estimate | VT casesvaccinated / totala (%) | NVT casesvaccinated / totala (%) | Crude VE(95% CI) | Adjusted b VE (95% CI) |
| <14 months | 1 dose routine/older infants | 17/35 (49%)c | 59/87 (68%) | 55% (1–80) | 56% (-7–82) |
| 2 dose routine | 18/23 (78%) | 265/282 (94%) | 77% (30–92) | 79% (24–94) | |
| 2 dose routine/older infants | 20/38 (53%) | 275/303 (91%) | 89% (76–95) | 83% (60–93) | |
| ≥14 months | 2 dose routine + booster | 7/8 (88%) | 199/209 (95%) | 65% (-214–96) | 62% (-315–96) |
| 2 dose routine/older infants + booster | 7/15 (47%) | 243/260 (93%) | 94% (81–98) | 93% (70–98) | |
| 1 dose catch-up | 21/74 (28%) | 141/190 (74%) | 86% (75–92) | 78% (56–89) |
a
This is the total either unvaccinated or with the stated schedule.
b
Adjusted for age, gender and period.
c
17/35 comes from Table 3 as (10+7)/(10+7+5+13) where 10 and 7 are the one partial dose for routine/older infants and 5 and 13 are the unvaccinated for these groups.