Table 2.

Sensitivity and specificity of salivary data on caries activity (receiver-operating characteristic plots)

Measure	Sensitivity, %	Specificity, %	Cutoff	Area under the curve
GtfB Absorption Index	84	68	1.5	0.782
GtfC Absorption Index	80	56	1.06	0.634
GtfD Absorption Index	88	24	2.16	0.491
Gtf activity (per milliliter saliva)	75	52	0.89	0.571
Gtf activity (per microgram salivary protein)	79	56	1.10	0.570
MS, CFU/ml	75	92	3.3 × 104	0.853