Table 5.
Adjusted vaccine effectiveness of PPV23 by age at vaccination according to timing of vaccination relative to IPD.
| Timing of vaccination relative to IPD within those vaccinated | Age at vaccination if vaccinated | VE% (95% CI) | p-Value⁎ |
|---|---|---|---|
| Any time before IPD | < 65 | 17 (− 01, 31) | 0.033 |
| 65–74 | 25 (13, 35) | ||
| 75 + | 35 (22, 46) | ||
| < 5 years before IPD | < 65 | 54 (24, 71) | 0.050 |
| 65–74 | 36 (17, 50) | ||
| 75 + | 30 (04, 48) | ||
| ≥ 5 years before IPD | < 65 | 12 (− 07, 28) | 0.027 |
| 65–74 | 20 (07, 32) | ||
| 75 + | 35 (20, 47) |
⁎
p-Value for difference in VE by age group.