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HBsAg, anti-HBc, anti-HBs detection frequency by volunteer history (infection, vaccination).
| Markers | N | INV | IV | NINV | NIV | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | n | % | 95% CI | N | n | % | 95% CI | N | n | % | 95% CI | N | n | % | 95% CI | ||
| HBsAg | 2,282 | 26 | 6 | 23.1 | 11.0–42.1 | 2 | 0 | 0.0 | 0.0–84.2 | 1,546 | 11 | 0.7 | 0.4–1.3 | 708 | 5 | 0.7 | 0.3–1.6 |
| Anti-HBc | 2,282 | 26 | 22 | 84.6 | 66.5–93.9 | 2 | 0 | 0.0 | 0.0–84.2 | 1,546 | 136 | 8.8 | 7.5–10.3 | 708 | 43 | 6.1 | 4.5–8.1 |
| Anti-HBs | 2,282 | 26 | 12 | 46.2 | 28.8–64.5 | 2 | 0 | 0.0 | 0.0–84.2 | 1,546 | 133 | 8.6 | 7.3–10.1 | 708 | 357 | 50.4 | 46.7–54.1 |
