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MURA “abnormal” label prevalence and sensitivity for the subclasses of “fracture,” “metalwork,” and “degenerative joint disease (DJD).” The degenerative joint disease subclass labels have the highest prevalence but the lowest sensitivity with respect to review by a board-certified radiologist.
| Subclass | Subclass Prevalence | Superclass Label Sensitivity |
|---|---|---|
| Fracture | 0.30 | 0.92 |
| Metalwork | 0.11 | 0.85 |
| DJD | 0.43 | 0.60 |
