Table 1.

Comparison of the elastic indexes of breast mass between L14-5 probe and L9-3 probe before operation

Pathology	Benign (n = 53)	Malignant (n = 39)	P-value
Age	40.07 ± 10.05	56.26 ± 11.52	< 0.001
EMean-A-L14	29.14 ± 11.06	35.89 ± 10.30	0.004
EMax-A-L14	80.04 ± 44.94	105.16 ± 44.01	0.009
Emin-A-L14	9.05 ± 5.35	10.54 ± 6.67	0.237
ESD-A-L14	11.26 ± 4.56	14.00 ± 5.36	0.010
EMean-Shell-L14	29.59 ± 11.95	40.27 ± 11.32	< 0.001
EMax-Shell-L14	83.10 ± 34.67	120.02 ± 50.03	< 0.001
EMin-Shell-L14	7.88 ± 5.81	10.53 ± 5.88	0.035
ESD-Shell-L14	13.74 ± 5.43	17.30 ± 6.29	0.005
EMean-Shell/A-L14	1.72 ± 4.20	2.49 ± 6.19	0.480
EMax-Shell/A-L14	1.55 ± 2.81	1.42 ± 0.97	0.795
EMin-Shell/A-L14	0.95 ± 0.60	1.12 ± 0.79	0.225
ESD-Shell/A-L14	1.35 ± 0.49	1.30 ± 0.33	0.583
E-Shell/A-L14	1.04 ± 0.19	1.15 ± 0.19	0.006
E-A/B-L14	2.31 ± 1.02	2.00 ± 0.91	0.150
E-Shell/B-L14	2.33 ± 1.04	2.28 ± 1.02	0.814
SRf-A/Shell-L14	0.72 ± 0.19	0.66 ± 0.24	0.169
SRf-B/A-L14	3.25 ± 1.09	4.16 ± 1.83	0.004
SRf-B/Shell-L14	2.29 ± 0.75	2.57 ± 1.11	0.113
SRf-A/Shell-L9	0.71 ± 0.26	0.66 ± 0.22	0.356
SRf-B/A-L9	2.84 ± 1.01	4.10 ± 1.24	< 0.001
SRf-B/Shell-L9	2.03 ± 0.74	2.67 ± 0.89	< 0.001
EMean-A-L9	23.63 ± 12.79	31.23 ± 14.91	0.010
EMax-A-L9	87.02 ± 52.51	161.86 ± 91.40	< 0.001
EMin-A-L9	5.23 ± 2.86	4.46 ± 2.56	0.189
ESD-A-L9	12.58 ± 7.36	20.73 ± 12.59	< 0.001
EMean-Shell-L9	23.80 ± 14.28	40.33 ± 17.25	< 0.001
EMax-Shell-L9	92.19 ± 62.44	190.73 ± 91.62	< 0.001
EMin-Shell-L9	4.27 ± 2.38	4.48 ± 2.69	0.687
ESD-Shell-L9	15.16 ± 11.46	29.20 ± 17.37	< 0.001
EMean-Shell/A-L9	0.98 ± 0.30	1.363 ± 0.33	< 0.001
EMax-Shell/A-L9	1.09 ± 0.39	1.72 ± 1.86	0.017
EMin-Shell/A-L9	1.02 ± 0.89	2.10 ± 5.36	0.150
ESD-Shell/A-L9	1.15 ± 0.36	1.52 ± 0.54	< 0.001
E-Shell/A-L9	0.99 ± 0.31	1.34 ± 0.33	< 0.001
E-A/B-L9	3.33 ± 7.41	2.49 ± 1.87	0.497
E-Shell/B-L9	2.29 ± 1.31	2.94 ± 1.63	0.037