Open Access
Table 2
The calculated entrance surface dose (ESD) for all projections and examinations.
| Radiography Projection | ESD (mGy) | |||
|---|---|---|---|---|
| Mean | Median | 50th percentiles | 75th percentiles | |
| Cervical spine (AP) | 1.35 | 1.52 | 1.04 | 2.1 |
| Cervical spine (LAT) | 1.69 | 1.46 | 0.83 | 1.8 |
| Lumbar spine (AP) | 3.09 | 3.34 | 3.15 | 3.7 |
| Lumbar spine (LAT) | 4.59 | 4.76 | 3.68 | 5.9 |
| Abdomen (AP) | 1.44 | 1.56 | 1.25 | 1.9 |
| Pelvic (AP) | 1.68 | 1.98 | 1.74 | 2.35 |
| Shoulder (AP) | 1.2 | 1.25 | 1.01 | 1.5 |
| Knee (AP) | 0.53 | 0.58 | 0.47 | 0.7 |
| Knee (LAT) | 0.57 | 0.58 | 0.5 | 0.65 |
| Skull (AP) | 1.77 | 2.2 | 1.29 | 2.9 |
| Skull (LAT) | 1.96 | 2.1 | 1.57 | 2.7 |
| Chest (PA) | 0.24 | 0.22 | 0.15 | 0.25 |
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