Table 2.

Summary of exposure parameters resulting in the highest FOM value for each FFDM system, for each of the nine breast types tested. Parameters are in the form target∕filter∕kVp∕HVL, with kVp in kV and HVL in mm Al.

	Thickness (cm)	30∕70	50∕50	70∕30
	3	Mo∕Rh∕27∕0.43	Mo∕Rh∕27∕0.43	Mo∕Rh∕27∕0.43
GE	5	Mo∕Rh∕27∕0.43	Mo∕Rh∕27∕0.43	Mo∕Rh∕27∕0.43
	7	Mo∕Rh∕27∕0.43	Rh∕Rh∕31∕0.48	Rh∕Rh∕33∕0.53
	3	W∕Rh∕27∕0.49	W∕Rh∕27∕0.49	W∕Rh∕29∕0.51
Siemens	5	W∕Rh∕27∕0.49	W∕Rh∕27∕0.49	W∕Rh∕29∕0.51
	7	W∕Rh∕27∕0.49	W∕Rh∕29∕0.51	W∕Rh∕29∕0.51
	3	Mo∕Rh∕27∕0.39	Mo∕Rh∕27∕0.39	Mo∕Rh∕27∕0.39
Hologic	5	Mo∕Rh∕27∕0.39	Mo∕Rh∕27∕0.39	Mo∕Rh∕27∕0.39
	7	Mo∕Rh∕27∕0.39	Mo∕Rh∕28∕0.40	Mo∕Rh∕28∕0.40
	3	W∕Al∕27∕0.42	W∕Al∕27∕0.42	W∕Al∕27∕0.42
Fischer	5	W∕Al∕29∕0.45	W∕Al∕30∕0.46	W∕Al∕30∕0.46
	7	W∕Al∕35∕0.54	W∕Al∕35∕0.54	W∕Al∕35∕0.54
	3	Mo∕Mo∕24∕0.30	Mo∕Mo∕24∕0.30	Mo∕Mo∕26∕0.32
Fuji	5	Mo∕Mo∕24∕0.30	Mo∕Mo∕24∕0.30	Mo∕Mo∕26∕0.32
	7	Mo∕Rh∕28∕0.43	Mo∕Rh∕28∕0.43	Mo∕Rh∕28∕0.43