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Comparison of the nsp5 ELISA with IFA for 660 field serum samples.
| nsp5 ELISA results a | IFA results |
||
|---|---|---|---|
| Positive | Negative | Total | |
| Positive | 554 | 3 | 557 |
| Negative | 41 | 62 | 103 |
| Total | 595 | 65 | 660 |
The negative–positive cut-off was 0.12. By calculation, the DSN, DSP and accuracy of the nsp5 ELISA was 93.11%, 95.38% and 93.33%, respectively, compared with IFA.
