Time since vaccination (year) | Sample size | N | Seroprevalence(%, 95 CI) | GMC(95% CI, mU/ml) | Statistics | P value |
---|---|---|---|---|---|---|
1 | 48 | 29 | 60.4(45.3–74.2) | 298.6 (275.2–313.5) | F = 65.01 | 0.002 |
2 | 130 | 74 | 56.9(47.9–65.6) | 263.5(243.4–280.6) | ||
3 | 415 | 211 | 50.8(45.9–55.8) | 218.7(198.6–234.7) | ||
4 | 111 | 52 | 46.8(37.3–56.6) | 224.8(205.1–239.8) | ||
5 | 185 | 91 | 49.2(41.8–56.6) | 164.2(124.1–185.4) | ||
6 | 604 | 224 | 37.1(33.2–41.1) | 155.6(134.2–177.9) | ||
7 | 70 | 27 | 38.6(27.2–50.9) | 165.3(144.2–188.9) |