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Breast dose for two-view examinations compared with previous data (errors represent 95% confidence limits)
| Mean MGD per two-view examination (mGy) |
|||||
|---|---|---|---|---|---|
| Film 1997–98 | Film 2001–02 | Film 2010–12 | DR 2010–12 | CR 2010–12 | |
| MGD | 4.19 ± 0.09 | 4.32 ± 0.05 | 4.01 ± 0.02 | 3.03 ± 0.01 | 4.69 ± 0.10 |
| Number of women | 3081 | 9562 | 9105 | 14,969 | 352 |
CR, computed radiography; DR, digital radiography; MGD, mean glandular dose.
