Table 8.

Average mean glandular dose (MGD) and thickness for craniocaudal views, for all breasts, for different types of digital radiography (DR), computed radiography (CR) and film-screen systems

Manufacturer and model	Number of surveys	Number of main images	Mean MGD to breast (mGy) (±2SEM)	Mean thickness (mm) (±2SEM)
Fischer Senoscan®	1	100	1.87 ± 0.03	51.4 ± 2.4
Fujifilm Amulet	10	1064	1.30 ± 0.03	54.5 ± 0.8
GE 2000D	2	199	1.59 ± 0.06	55.3 ± 1.5
GE DS	31	2898	1.37 ± 0.02	51.7 ± 0.6
GE Essential	61	5946	1.32 ± 0.01	57.8 ± 0.4
Hologic Selenia® Mo	16	1306	1.68 ± 0.03	53.2 ± 0.7
Hologic Selenia® W	45	5537	1.48 ± 0.01	54.0 ± 0.3
Hologic Dimensions®	31	4719	1.78 ± 0.02	59.9 ± 0.4
IMS Giotto	2	199	1.85 ± 0.08	54.6 ± 1.6
Planmed Nuance	1	1116	1.57 ± 0.02	58.0 ± 0.7
Philips MicroDose	22	1706	0.87 ± 0.02	61.3 ± 0.7
Siemens Inspiration	56	5406	1.23 ± 0.01	55.6 ± 0.4
All DR systems	278	30,196	1.42 ± 0.01	56.3 ± 0.2
Fujifilm Profect CR	9	756	2.23 ± 0.07	56.1 ± 0.8
Film-screen systems	160	18,425	1.83 ± 0.01	53.5 ± 0.2
All systems	447	49,377	1.58 ± 0.01	55.2 ± 0.1

SEM, standard error in the mean.

Fischer (Hologic, Inc., Marlborough, MA); Fujifilm (FUJIFILM UK Ltd, Bedford, UK); GE (GE Medical Systems, Buc, France); Hologic (Hologic, Inc.); IMS (Internazionale Medico Scientifica, Bologna Italy); Planmed (Planmed Oy, Helsinki, Finland); Philips (Philips Healthcare, Guildford, UK); Siemens (Siemens Healthcare GmbH, Erlangen, Germany).