Clinical Study
Cutoff Values of Serum IgG4 and Histopathological IgG4+ Plasma Cells for Diagnosis of Patients with IgG4-Related Disease
Table 3
Sensitivity and specificity of serum cutoff values in the diagnosis of IgG4-RD.
| | Sensitivity | Specificity |
| IgG4 > 135 mg/dL | 97.0% | 79.6% | IgG4/IgG > 5% | 99.2% | 83.3% | IgG4/IgG > 6% | 97.0% | 83.3% | IgG4/IgG > 7% | 97.0% | 85.4% | IgG4/IgG > 8% | 95.5% | 87.5% | IgG4/IgG > 9% | 92.4% | 89.6% | IgG4/IgG > 10% | 89.4% | 91.7% |
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