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Measures of accuracy of 5 mm diameter to the head-neck junction, cam-head (%), and base-cam (%) for the classification of impact.
| Measure | Sensitivity (%) | Specificity (%) | +PV (%) | −PV (%) | Accuracy (%) |
|---|---|---|---|---|---|
| 5 mm diameter ≥ 35,5 | 71.87 | 76.05 | 36.51 | 93.38 | 75.38 |
| Cam-head ≥ 80% | 78.12 | 81.44 | 44.64 | 95.10 | 80.90 |
| Base-head ≤ 73% | 71.87 | 76.65 | 37.10 | 93.43 | 75.88 |
+PV: positive predictive value
−PV: negative predictive value
Source: Faculdade de Medicina de Petrópolis
