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Sensitivities and specificities of CP hemolytic function and other complement assays for SLE patients (cross-sectional study)a
| Assay | Sensitivity | Specificity |
|---|---|---|
| CP function | 0.55 | 1.00 |
| C4 | 0.27 | 0.98 |
| C3 | 0.29 | 0.98 |
| C3dg | 0.41 | 0.98 |
| C3dg/C3 | 0.57 | 0.96 |
Determined with data from healthy individuals versus those from SLE patients (all calls).
