Additive value of texture analysis based on breast MRI for distinguishing between benign and malignant non-mass enhancement in premenopausal women

Table 3 Statistical results of clinical and routine MRI findings

Clinical and routine MR characteristics	Benign (n = 40)	Malignant (n = 62)	p value
Age (years)	36.1 ± 6.8 (22–49)	40.4 ± 6.2 (25–54)	< 0.001*
Distribution
Focal area	9 (22.5%)	5 (8.1%)	0.039*
Linear	10 (25%)	41 (66.1%)	< 0.001*
Segment	33 (82.5%)	56 (90.3%)	0.247
Regional	23 (57.5%)	26 (41.9%)	0.125
Multiple regions	12 (30.0%)	32 (51.6%)	0.031*
Diffuse	3 (7.5%)	4 (6.5%)	0.838
Internal enhancement
Homogeneous	9 (22.5%)	13 (20.1%)	0.854
Heterogeneous	31 (77.5%)	49 (79.1%)	0.854
Clumped	32 (80.0%)	52 (83.9%)	0.617
Clustered ring	9 (22.5%)	21 (33.9%)	0.218
TIC pattern
Persistent	16 (40%)	22 (35.5%)	0.645
Plateau	13 (32.5%)	6 (9.7%)	0.004*
Washout	11 (27.5%)	34 (54.8%)	0.007*

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