Table 2. The number (N = 231) and proportion of moose positive for HEV RNA and/or anti-HEV antibody detected in serum, feces or liver, arranged according to age class, gender and Swedish county.
| Variable | (N) | With anti-HEV (N) | (%, 95% Cl) | Reactive for HEV RNA (N) | (%, 95% Cl) | Total HEV markers* (N) (Both markers) | (%, 95% Cl) |
|---|---|---|---|---|---|---|---|
| Age (years) | |||||||
| 0–1.5 | 107 | 12 | (11.2%; 6.0–19.2) | 18 | (16.8%, 10–25) | 26 (4) | (26%, 18–35.2) |
| 2–4.5 | 65 | 17 | (26.2%, 16.0–38.5) | 7 | (10.8%, 4.4–20.9) | 21 (3) | (32.3%, 21.2–45) |
| 5.5–15.5 | 35 | 6 | (17.4%, 6.6–33.7) | 5 | (14.3%, 4.8–30.3) | 8 (3) | (22.9%, 10.4–40.1) |
| Unknown | 24 | 8 | (33.3%, 16.4–55.3) | 4 | (16.7%, 4.7–37.4) | 12 (0) | (50%, 29.1–70.9) |
| Gender | |||||||
| Male | 89 | 14 | (15.7%, 8.9–25) | 14 | (15.7%, 8.9–25) | 24 (4) | (27%, 18.1–37.2) |
| Female | 97 | 21 | (21.6%, 13.9–31.2) | 9 | (9.3%, 4.3–16.9) | 26 (4) | (26.8%, 18.3–36.8) |
| Unknown | 45 | 8 | (17.8%, 8–32) | 11 | (24.4%, 12.9–39.5) | 17 (2) | (37.8%, 23.8–53.5) |
| Swedish county | |||||||
| Öland | 49 | 9 | (18.4%, 9.2–32.5) | 3 | (6.1%, 1.6–17.9) | 11 (1) | (22.4%, 12.2–37.0) |
| Småland | 51 | 9 | (17.6%, 8.9–31.4) | 4 | (7.8%, 2.5–19.7) | 10 (3) | (19.6%, 10.3–33.5) |
| Västergötland | 33 | 10 | (30.3%, 16.2–48.9) | 6 | (18.2%, 7.6–36.1) | 13 (3) | (39.4%, 23.4–57.8) |
| Södermanland | 77 | 13 | (16.9%, 9.6–27.5) | 19 | (24.7%, 15.9–36.0) | 29 (3) | (37.7%, 27.1–49.5) |
| Västermanland | 10 | 1 | (10%, 5,2–45.9) | 2 | (20.0%, 0.30–55.8) | 3 (0) | (30%, 8,1–64.6) |
| Värmland | 3 | 1 | (33.3%, 0.2–84.4) | 0 | (0, 0–0,7) | 1 (0) | (33.3%, 18–87.7) |
| Västerbotten | 8 | 0 | (0%, 0–40.2) | 0 | (0,0–40.2) | 0 (0) | (0,0–40.2) |
| Total | 231** | 43 | (18.6%, 13.9–24.4) | 34 | (14.7%, 10.5–20.1) | 67 (10) | (29%, 23.3–35.4) |
* = 10 animals had both HEV-specific antibodies and HEV RNA detectable in their samples.
** = for 51 animals, both serum and fecal samples were available, 10 had detectable HEV RNA in feces, 6 of those had HEV RNA also in their serum samples.