TABLE 5.
Predicted VE by time since vaccination for the routine cohort based on an assumption of protection with rSBA titers of ≥1:4, ≥1:8, and ≥1:128
| Titer cutoff and time since vaccination (mo) | No. of immunized individuals with: |
% VE (95% CI) | |
|---|---|---|---|
| Protective titers | Unprotective titers | ||
| ≥1:4 cutoff | |||
| <12 | 100 | 12 | 89 (82-94) |
| 12-23 | 41 | 71 | 37 (28-46) |
| 24-35 | 20 | 32 | 39 (25-53) |
| ≥36 | 46 | 85 | 35 (27-44) |
| ≥1:8 cutoff | |||
| <12 | 97 | 15 | 87 (79-92) |
| 12-23 | 40 | 72 | 36 (27-45) |
| 24-35 | 17 | 35 | 33 (20-47) |
| ≥36 | 44 | 87 | 34 (26-42) |
| ≥1:128 cutoff | |||
| <12 | 70 | 42 | 63 (53-72) |
| 12-23 | 16 | 96 | 14 (8-22) |
| 24-35 | 4 | 48 | 8 (2-19) |
| ≥36 | 24 | 107 | 18 (12-26) |