Table 7. Results of the detection of IgY and IgM plasma antibodies against UGV-1 virions using WB in comparison to the diseases status (BIBD-positive or–negative, based on the presence of cytoplasmic IB in blood cells.
Western blotting | BIBD | Cohen’s κ | Sensitivity (95%CI) |
Specificity (95%CI) |
|||
---|---|---|---|---|---|---|---|
+ve | -ve | Total | |||||
WB UGV1 IgY | +ve | 24 | 25 | 49 | κ = 0.011 (-0.195–0.218) |
70.59% (59.91–81.26)% |
30.56% (19.76–41.35)% |
-ve | 10 | 11 | 21 | ||||
WB UGV1 IgM | +ve | 25 | 27 | 52 | κ = -0.015 (-0.222–0.193) |
73.53% (63.19–83.86)% |
25.00% (14.86–35.14)% |
-ve | 9 | 9 | 18 | ||||
Total | 34 | 36 | 70 |