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The sensitivity (%), specificity (%), positive predictive value (PPV, %), and negative predictive value (NPV, %) of radiography and sonography in detecting keel bone deviations, fractures, and tip fractures.
| Keel Damage | Technique | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|
| Deviations | Radiography | 60.9 | 72.7 | 82.4 | 47.1 |
| Sonography | 50.0 | 75.0 | 80.0 | 42.8 | |
| Fractures | Radiography | 85.7 | 81.5 | 54.5 | 95.7 |
| Sonography | 75.0 | 78.6 | 50.0 | 91.7 | |
| Tip Fracture | Radiography | 84.4 | 100.0 | 100.0 | 28.5 |
| Sonography | 90.9 | 67.0 | 96.8 | 67.0 |
