. Author manuscript; available in PMC: 2017 Oct 7.

Published in final edited form as: Phys Med Biol. 2016 Sep 12;61(19):R271–R304. doi: 10.1088/0031-9155/61/19/R271

Table 3.

Summary of the mean ratios of the patient to phantom MGD for each system in mammography and DBT imaging modes and both dosimetry phantoms. The value in brackets behind the mean ratio is the standard deviation of the given ratio. Based on Bouwman et al (2015a).


	Mammography			DBT
Mean ratio:	PMMA (SD)	PMMA+PE (SD)	Mean ratio:	PMMA (SD)	PMMA+PE (SD)

System I	1.47 (0.41)	1.46 (0.40)	System I	1.07 (0.19)	1.04 (0.17)
System II	1.04 (0.20)	1.02 (0.18)	System II	0.89 (0.20)	0.89 (0.17)
System III	0.98 (0.27)	1.03 (0.28)	System III	0.97 (0.39)	1.01 (0.40)
System IV	1.13 (0.31)	1.07 (0.27)	System IV (a)	1.12 (0.17)	1.04 (0.16)
			System IV (b)	1.06 (0.24)	0.98 (0.20)
System V	1.07 (0.27)	1.15 (0.29)	System V	0.86 (0.24)	1.14 (0.21)

Overall:	1.14	1.15	Overall:	1.00	1.02