Table 1.
Estimated number of anti-HAV positives among general population aged 20–79 in Japan.
| Population in 2015 Census | Prevalence of anti-HAV in study subjects [95%CI] | Estimated Number of anti-HAV positives in Japan [95%CI] | |||
|---|---|---|---|---|---|
| Male | |||||
| 20–29 y.o. | 6, 224, 913 | 0.00% | [0.0–3.7%] | 0 | [0–230, 322] |
| 30–39 y.o. | 7, 843, 971 | 1.00% | [0.0–3.0%] | 78, 439 | [0–343, 647] |
| 40–49 y.o. | 9, 287, 757 | 0.00% | [0.0–3.7%] | 0 | [0–230, 322] |
| 50–59 y.o. | 7, 731, 854 | 2.00% | [0.0–4.7%] | 154, 637 | [0–363, 397] |
| 60–69 y.o. | 8, 880, 633 | 28.00% | [19.2–36.8%] | 2, 486, 577 | [1, 705, 082–3, 268, 073] |
| 70–79 y.o. | 6, 415, 400 | 70.00% | [61.0–79.0%] | 4, 490, 780 | [3, 913, 394–5, 068, 166] |
| Female | |||||
| 20–29 y.o. | 5, 951, 429 | 0.00% | [0.0–3.7%] | 0 | [0–220, 203] |
| 30–39 y.o. | 7, 578, 404 | 2.00% | [0.0–4.7%] | 151, 568 | [0–356, 185] |
| 40–49 y.o. | 9, 017, 790 | 0.00% | [0.0–3.7%] | 0 | [0–333, 658] |
| 50–59 y.o. | 7, 696, 954 | 2.00% | [0.0–4.7%] | 153, 939 | [0–361, 757] |
| 60–69 y.o. | 9, 319, 173 | 26.00% | [17.4–34.6%] | 2, 422, 985 | [1, 621, 536–3, 224, 434] |
| 70–79 y.o. | 7, 665, 680 | 71.00% | [62.1–79.9%] | 5, 442, 633 | [4, 760, 387–6, 124, 878] |
| Total | 93, 613, 958 | 16.40% | [12.8–21.4%] | 15, 381, 558 | [12, 000, 399–20, 030, 039] |