. 2022 Jul 20;6:30. doi: 10.1186/s41747-022-00285-x

Table 5.

Breast density assessment (^a–d) for 60 representative breast-CT images, performed by two readers (1: J.W.; 2: A.B.), compared to classification given the radiology resident (A.L.)

Radiology resident	Reader 1				Reader 2
Radiology resident	BD^a	BD^b	BD^c	BD^d	BD^a	BD^b	BD^c	BD^d
BD^a	15	0	0	0	15	0	0	0
BD^a	100%	0%	0%	0%	100%	0%	0%	0%
BD^b	0	16	1	0	1	16	0	0
BD^b	0%	94%	6%	0%	6%	94%	0%	0%
BD^c	0	2	13	0	0	4	9	2
BD^c	0%	13%	87%	0%	0%	27%	60%	13%
BD^d	0	0	3	10	0	0	0	13
BD^d	0%	0%	23%	77%	0%	0%	0%	100%

BD breast density

^aalmost entirely fatty tissue

^bscattered glandular tissue

^cheterogenous dense glandular tissue

^dhomogenous dense glandular tissue