Table 1 Detection of anti-HEV antibody in swine sera by ELISA-ORF2, ELISA-kit, and Western blotting assays
ELISA -ORF2 (%)* | ELISA-kit (%) | Western blotting (%) | S/CO ELISA-ORF2 | p | S/CO ELISA-kit | p | Observed frequency | Estimated frequency | Probability of infection** |
|---|---|---|---|---|---|---|---|---|---|
+ | + | + | 5.40 | <0.01 | 5.15 | <0.05 | 75 | 71 | 1 |
+ | + | - | 3.79 | 4.61 | 23 | 23 | 0.89 | ||
+ | - | + | 4.69 | <0.05 | 1.51 | <0.05 | 4 | 5 | 0.98 |
+ | - | - | 2.30 | 1.31 | 2 | 3 | 0.56 | ||
- | + | + | 0.99 | <0.05 | 2.10 | <0.05 | 1 | 3 | 0.93 |
- | + | - | 0.73 | 3.69 | 3 | 3 | 0.33 | ||
- | - | + | 0.81 | <0.05 | 1.80 | <0.05 | 1 | 0 | 0.61 |
- | - | - | 0.63 | 1.75 | 2 | 2 | 0.05 | ||
104 (93.7) | 102 (91.9) | 81 (73.0) | 111 |