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Mean glandular dose (MGD) by projection compared with previous data
| Projection | Mean MGD per projection (mGy) (±2SEM) |
||||
|---|---|---|---|---|---|
| Film 1997–98 | Film 2001–02 | Film 2010–12 | DR 2010–12 | CR 2010–12 | |
| Oblique | 2.36 ± 0.03 | 2.23 ± 0.01 | 2.11 ± 0.01 | 1.58 ± 0.04 | 2.52 ± 0.08 |
| CC | 1.86 ± 0.02 | 1.96 ± 0.01 | 1.83 ± 0.01 | 1.42 ± 0.01 | 2.23 ± 0.07 |
CC, craniocaudal; CR, computed radiography; DR, digital radiography; SEM, standard error in the mean.
