Acoustic Radiation Force Impulse Technology in the Differential Diagnosis of Solid Breast Masses with Different Sizes: Which Features Are Most Efficient?

Table 2

Size, ARs, and SWVs of masses of multiple groups and their comparisons.

Feature	SBM	BBM	TBM	SMM	BMM	TMM
Size, mm	10.56 ± 2.39	21.33 ± 4.94	16.68 ± 6.71	11.64 ± 2.08	22.60 ± 5.29	18.42 ± 6.89
SWV, m/s	1.82 ± 0.45^g	2.18 ± 0.60	2.03 ± 0.57	3.66 ± 2.35^b,c	6.74 ± 2.77^d,e,f	5.57 ± 3.01^a
AR	0.92 ± 0.20^h	0.97 ± 0.21^i	0.95 ± 0.21	1.46 ± 0.34^k,l	1.43 ± 0.34^m,n	1.44 ± 0.38^j

Note: data are mean ± SD.
^a, compared with TBM.
^b,c, compared with SBM and BBM, respectively.
^d,e,f, compared with SBM, BBM, and SMM, respectively.
^g, compared with BBM.
^hFor SBM, , because ARs were unavailable in 16 masses of Pattern 2.
ⁱFor BBM, , because ARs were unavailable in 23 masses of Pattern 2.
^j, compared with TBM.
^k,l, compared with SBM and BBM, respectively.
^m,n, compared with SBM and BBM, respectively.