Table 1.
Seroprevalence of anti-HEV IgG in pigs in the provinces considered in the study
| Percentage (positive/total) of anti-HEV IgG | ||||||||
|---|---|---|---|---|---|---|---|---|
| Province | ||||||||
| Huesca | Saragossa | Teruel | Salamanca | Jaen | Lerida | All Provinces | p | |
| Adult pigs | 19.2% (5/26) | 37.0% (95/257) | 28.6% (8/28) | 4.8% (2/42) | 21.4% (3/14) | 14.3% (2/14) | 30.2% (115/381) | <0.001 * |
| Young pigs | 18.2% (20/110) | 19.2% (73/380) | 12.0% (12/100) | 1.3% (1/80) | 20.0% (12/60) | 0.0% (0/30) | 15.5% (118/760) | <0.001 * |
| All Pigs | 18.4% (25/136) | 26.4% (168/637) | 15.6% (20/128) | 2.5% (3/122) | 20.3% (15/74) | 4.5% (2/44) | 20.4% (233/1141) | <0.001 * |
| p | 0.548 b | <0.001 * | 0.042 † | 0.272 † | 0,580 † | 0.096 † | <0.001 * | |
* Significance of Chi-square test; † Significance of Fisher's exact test