Table 4
Correlation between the qualitative MPO-ANCA ELISA and the quantitative MPO-ANCA ELISA
| Quantitative MPO-ANCA ELISA | |||
|---|---|---|---|
| + | – | ||
| Sensitivity, 100%; specificity, 100%; positive predictive value, 100%; negative predictive value, 100%. | |||
| ANCA, antineutrophil cytoplasmic antibodies; | |||
| ELISA, enzyme linked immunosorbent assay; | |||
| MPO, myeloperoxidase. | |||
| Qualitative | |||
| MPO-ANCA | + | 12 | 0 |
| ELISA | – | 0 | 18 |
