Spectroscopic Detection of Caries Lesions

Table 1

The confusion matrix, or the contingency table, of the median rule set.

	Carious	Healthy
Estimated carious	25 (TP)	2 (FP)	93% (PPV)
Estimated healthy	15 (FN)	67 (TN)	82% (NPV)
	63% (Sens.)	97% (Spec.)	84% (Acc.)