Evaluation of Virtual Touch Tissue Imaging Quantification, a New Shear Wave Velocity Imaging Method, for Breast Lesion Assessment by Ultrasound

Table 3

Comparison of sensitivity, specificity, PPV and NPV in respect to the proposed clinical cut-off value, standard BI-RADS assessment and the combination of BI-RADS and VTIQ.

	Cut-off 5.18 m/s	BIRADS	Combination VTIQ + BIRADS
Sensitivity	98%	98%	98%
Specificity	68%	30%	82%
PPV	77%	61%	86%
NPV	97%	100%	98%