Table 4.

Cancer detectability score on digital breast tomosynthesis according to imaging factors

Parameter	No. of cancers	Cancer detectability score
		Mean ± SD	p-value
Breast density			0.001
Non-dense	60	2.93 ± 0.41
Dense	228	2.69 ± 0.73
Lesion type on DBT			<0.001
Negative (not visible)	11	0.00
Focal asymmetry	8	2.00 ± 0.92
Calcifications only	27	2.74 ± 0.53
Mass only	140	2.84 ± 0.40
Mass with calcifications	102	2.95 ± 0.26
Presence of mass			<0.001
Yes	242	2.89 ± 0.35
No	46	1.96 ± 1.26
Mass shape			0.517
Oval	24	2.92 ± 0.41
Round	24	2.96 ± 0.20
Irregular	194	2.88 ± 0.36
Mass margin			0.002
Circumscribed	35	2.97 ± 0.17
Obscured	9	3.00 ± 0.00
Microlobulated	33	2.88 ± 0.33
Indistinct	48	2.71 ± 0.54
Spiculated	117	2.93 ± 0.29
Presence of calcifications			<0.001
Yes	128	2.91 ± 0.34
No	160	2.61 ± 0.85
Calcification morphology			0.593
Amorphous	57	2.89 ± 0.41
Coarse heterogeneous	11	2.82 ± 0.40
Fine pleomorphic	45	2.91 ± 0.29
Fine linear or linear branching	15	3.00 ± 0.00

DBT, digital breast tomosynthesis; SD, standard deviation.