Diagnostic Value of Virtual Touch Tissue Quantification for Breast Lesions with Different Size

Table 3

Performance of SWV in differentiating benign from malignant lesions in different size.

Groups	Sensitivity (%)	Specificity (%)	Accuracy (%)	AUC	95% CI	𝑧	𝑃
<10 mm	33.33 (2/6)	96.77 (60/62)	91.17 (62/68)	0.601	0.475–0.718	0.7	0.48
10–20 mm	80 (12/15)	96.51 (83/86)	94.06 (95/101)	0.919	0.848–0.964	9.76	<0.0001*
>20 mm	95.45 (21/22)	93.33 (14/15)	94.59 (35/37)	0.915	0.776–0.981	7.017	<0.0001**
Total	81.40 (35/43)	96.32 (157/163)	91.21 (188/206)	0.886	0.834–0.926	10.245	<0.0001

∗Compared with the AUC of <10 mm, 𝑧=−2.116, 𝑃=0.0343<0.05.
**Compared with the AUC of <10 mm, 𝑧=−2.017, 𝑃=0.0437<0.05.