TABLE 1.
Intra-assay and interassay variation data for the WNV IgA capture ELISA
| Parameter | Value for:
|
|||
|---|---|---|---|---|
| Intra-assay comparison
|
Interassay comparisona
|
|||
| Positive control | Negative control | Positive control | Negative control | |
| No. of determinations | 9 | 9 | 15 | 15 |
| Range of index values | 6.24-7.31 | 0.66-0.86 | 5.10-6.78 | 0.59-0.87 |
| Mean index | 6.66 | 0.73 | 5.95 | 0.68 |
| Standard deviation | 0.31 | 0.07 | 0.50 | 0.09 |
| Coefficient of variation | 5% | 10% | 8% | 13% |
a
Assays were performed over a 22-day period by using the same lot of IgA capture microtiter well plates.