. 2019 Mar 18;29(10):5488–5497. doi: 10.1007/s00330-019-06070-6

Table 3.

Performance of different contacts at optimal thresholds

Contact type	AUC	Sensitivity	Specificity	PPV	NPV	Cutoff^a
Axial contact (2D)	0.799	0.596	0.878	0.850	0.651	13.5 mm
Coronal or sagittal contact (2D)	0.801	0.754*	0.776	0.796	0.731	5.5 mm
Max contact (2D)	0.808	0.614	0.878	0.854	0.662	13.5 mm
3D contact	0.857	0.737*	0.878	0.875	0.741*	10.5 mm
3D surface	0.847*	0.825*	0.714*	0.770	0.778*	40.0 mm²

*Significant difference in comparison to axial contact (2D) (p < 0.05)

^aYouden index–derived threshold