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Intrinsic (sensitivity, specificity) and extrinsic (PPV, NPV) performance, and accuracy of imaging modalities for parathyroid localisation, independent of final histopathological analysis.
| Analysis per patient | Ultrasound n = 155 | Scintigraphy n = 142 | Ultrasound + Scintigraphy n = 142 | PET-CT n = 156 |
|---|---|---|---|---|
| Sensitivity (%) | 60.14 | 46.21 | 80.1 | 97.95 |
| Specificity (%) | 35.29 | 50 | 78.8 | 40 |
| PPV (%) | 88.30 | 92.42 | 98.3 | 95.97 |
| NPV (%) | 9.84 | 6.58 | 19.4 | 57.14 |
| Accuracy (%) | 57 | 46 | 79.5 | 94.2 |
