Table 2.

Correlation Between SWE Parameters and Pathology in Non-Mass-Like Lesions

Variables	Benign (n=58)	Malignant (n=60)	P value	Az value	Cutoff point	Sensitivity (%)	Specificity (%)
Stiff rim sign(yes/no)	10/58	50/60	<0.001	0.822	Yes	83.3%	81%
Emean(kPa)	34.78±14.65	45.94±12.63	<0.001	0.722	34.23	88.3%	56.9%
Emax(kPa)	65.64[44.28,84.30]	109.31[81.73,152.33]	<0.001	0.796	79.47	76.7%	74.1%
Emin(kPa)	15.57[8.68,21.11]	16.65[11.26,24.40]	0.162	0.575	22.02	35.0%	81.0%
Esd	9.38[6.70,12.38]	13.64[10.46,19.22]	<0.001	0.724	11.18	70.0%	70.7%
Esmean(kPa)	33.45[24.24,43.92]	49.91[41.95,56.08]	<0.001	0.754	44.32	73.3%	75.9%
Esmax(kPa)	66.64[52.06,92.36]	127.12[100.92,163.41]	<0.001	0.807	98.01	78.3%	81.0%
Esmin(kPa)	12.47[6.47,18.09]	14.31[7.22,18.89]	0.403	0.545	16.38	43.3%	70.7%
Essd	11.52[8.05,15.34]	18.61[13.18,23.37]	<0.001	0.773	12.90	80.0%	67.2%
Elsmean(kPa)	33.12[24.34,44.34]	48.20[41.24,54.40]	<0.001	0.748	34.27	90.0%	55.2%
Elsmax(kPa)	70.72[52.06,92.97]	135.05[106.84,175.50]	<0.001	0.820	98.56	80.0%	79.3%
Elsmin(kPa)	12.15[6.47,17.39]	14.00[6.69,18.70]	0.527	0.534	18.07	35.0%	79.3%
Elssd	10.52[7.94,15.08]	15.43[12.84,21.49]	<0.001	0.751	11.69	86.7%	62.1%

Abbreviations: Emean, mean elastic modulus for lesion; Emax, maximum elastic modulus for lesion; Emin, minimum elastic modulus for lesion; Esd, elastic modulus standard deviation for lesion; Esmean, mean elastic modulus for shell; Esmax, maximum elastic modulus for shell; Esmin, minimum elastic modulus for shell; Essd, elastic modulus standard deviation for shell; Elsmean, mean elastic modulus for lesion plus shell; Elsmax, maximum elastic modulus for lesion plus shell; Elsmin, minimum elastic modulus for lesion plus shell; Elssd, standard deviation of elastic modulus for lesion plus shell.