Distinction of WG from MPA by artificial neural network (ANN), logistic regression (LR), and classification tree (CT)/traditional format criteria (TF). Sensitivity means the ratio of patients correctly classified with WG; specificity is the ratio of patients correctly classified with MPA.
| Method | Measurements Used, n | Sensitivity, % | Specificity, % | Accuracy, % |
|---|---|---|---|---|
| ANN | ||||
| Multicenter cohort | 4 | 95.8 | 89.7 | 94.3 |
| Monocenter cohort | 4 | 93.5 | 85.7 | 91.0 |
| LR | ||||
| Multicenter cohort | 23 | 94.2 | 88.5 | 92.8 |
| Monocenter cohort | 23 | 93.5 | 76.2 | 88.1 |
| CT/TF | ||||
| Multicenter cohort | 4 | 95.8 | 89.7 | 94.3 |
| Monocenter cohort | 4 | 93.5 | 85.7 | 91.0 |
WG: Wegener’s granulomatosis; MPA: microscopic polyangiitis.