Table 3.
Radiation exposure to position 1.
| Badge location | Lead apron and shield (n = 53) | Rampart (n = 47) | P |
|---|---|---|---|
| Head | 2.2 (1.3, 3.9) | 0.2 (0.1, 0.4) | <.001 |
| Thyroid above lead | 1.2 (0.5, 2.3) | 0.2 (0.1, 0.4) | <.001 |
| Chest above lead | 1.5 (0.7, 3.9) | 0.2 (0.1, 0.4) | <.001 |
| Chest below lead | 0.0 (0.0, 0.1) | 0.2 (0.1, 0.4) | <.001 |
| Axilla | 1.9 (0.5, 3.4) | 0.2 (0.1, 0.4) | <.001 |
| Forearm | 4.3 (2.3, 8.9) | 0.4 (0.3, 0.7) | <.001 |
| Hip below lead | 0.0 (0.0, 0.2) | 0.2 (0.1, 0.7) | <.001 |
| Midtibia | 2.3 (1.3, 3.9) | 0.2 (0.1, 0.4) | <.001 |
Radiation exposure was measured in milliroentgen equivalent man (mRem), summarized using median (first quartile, third quartile). Difference in radiation exposure was assessed using the Mann–Whitney U test.