Breast cancer imaging-clinical experience with two-dimensional-shear wave elastography: A retrospective study

Table 3 Diagnostic accuracy of two-dimensional-shear wave elastography + bright mode and X-ray mammography

Feature	Shear wave elastography + bright mode	X-ray mammography	Ultrasound + X-ray mammography
True positive	115	114	120
True negative	39	15	13
False positive	25	24	10
False negative	0	2	0
Sensitivity	1.00 (1.00-1.00)	0.87 (0.81–0.92)	1.00 (1.00–1.00)
Specificity	0.62 (0.52–0.76)	0.90 (0.83–0.95)	0.95 (0.83–0.95)
Positive predictive value	0.83 (0.78–0.92)	0.76 (0.80–0.92)	0.92 (0.85-0.95)
Negative predictive value	1.00 (1.00–1.00)	0.996 (0.99–1.00)	1.00 (1.00–1.00)
Accuracy	87	91	98

Data in parentheses are 95% confidence intervals.