Ultrasonography (US) and radiographic diagnostic performance by microscopy identification of calcium pyrophosphate crystals in synovial fluid.
| Sensitivity | Specificity | Accuracy | |
|---|---|---|---|
| US overall calcifications* | 100 | 92.3 | 96.1 |
| US menisci calcifications | 96 | 92.3 | 94.1 |
| US cartilage calcifications | 76 | 96.2 | 86.3 |
| Radiography findings* | 64 | 100 | 82.4 |
↵* Menisci and/or cartilage.