Table 1.
Antibody prevalence and antigen prevalence of feral swine serum and kidneys tested for exposure to Leptospira interrogans serovars Bratislava, Canicola, Grippotyphosa, Hardjo, Icterohemorrhagiae, and Pomona by age class and gender
| Variable | Kidneys | Bratislava | Canicola | Grippotyphosa | Hardjo | Icterohaemorrhagiae | Pomona | All serovars |
|---|---|---|---|---|---|---|---|---|
| Age class (no. of kidneys, serum) | ||||||||
| Adult (551, 522) | 2·5 (1·5–4·2) | 33·0 (29·1–37·1) | 10·3 (8·0–13·3) | 9·2 (7·0–12·0) | 4·6 (3·1–6·8) | 28·4 (24·7–32·4) | 15·3 (12·5–18·7) | 56·7 (52·4–60·9) |
| Sub-adult (95, 93) | 3·2 (1·1–8·9) | 19·4 (12·6–28·5) | 6·5 (3·0–13·4) | 5·4 (2·3–12·0) | 3·2 (1·1–9·1) | 14·0 (8·4–22·5) | 4·3 (1·7–10·5) | 33·3 (24·6–43·4) |
| Juvenile (31, 27) | 19·4 (9·2–36·3) | 25·9 (13·2–44·7) | 7·4 (2·1–23·4) | 25·9 (13·2–44·7) | 18·5 (8·2–36·7) | 14·8 (5·9–32·5) | 11·1 (3·9–28·1) | 48·2 (30·7–66·0) |
| Gender (no. of kidneys, serum) | ||||||||
| Male (337, 318) | 3·0 (1·6–5·4) | 27·4 (22·8–32·5) | 8·2 (5·6–11·7) | 9·4 (6·7–13·2) | 5·4 (3·4–8·4) | 21·7 (17·5–26·6) | 15·1 (11·6–19·4) | 50·0 (44·5–55·5) |
| Female (340, 324) | 3·8 (2·3–6·4) | 34·0 (29·0–39·3) | 11·1 (8·1–15·0) | 9·3 (6·6–12·9) | 4·6 (2·8–7·5) | 29·6 (24·9–34·8) | 12·0 (8·9–16·0) | 55·9 (50·4–61·2) |
Values given are % positive (95% confidence interval).