Table 2. Recovery of DIG in Serum by ic-ELISA and Strip Assay.
| ic-ELISA |
test
strips |
|||||
|---|---|---|---|---|---|---|
| sample | spiked level (ng/mL) | mean ± SD | recovery rate (%) | CV (%) | C line | T line |
| serum | 3 | 0.287 ± 0.004 | 95.7 ± 1.3 | 6.21 | +++ | ++ |
| 5 | 0.527 ± 0.003 | 105.4 ± 0.6 | 5.37 | +++ | + | |
| 7 | 0.681 ± 0.013 | 97.3 ± 1.8 | 8.42 | +++ | ––– | |