Table 2. Diagnostic value of the four methods.
| Diagnostic Power | Sensitivity(%) | Specificity(%) | PPV(%) | NPV(%) | Accuracy(%) |
| Methods | |||||
| ELISA | 94.5 | 91 | 91.5 | 94.2 | 92.2 |
| ACON | 90 | 92 | 92.1 | 90 | 91 |
| DIMA | 77.9 | 97.7 | 97.2 | 80.7 | 87.2 |
| CORTEZ | 85.7 | 96.6 | 96.2 | 87 | 91.1 |
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