Table 3.
Univariate analysis of the impact of patient and procedural demographics on cumulative radiation dose.
| Variable | Mean Cumulative Radiation Dose mGy (Standard Deviation) | P value |
|---|---|---|
| Trainee Involvement | ||
| Yes | 61.7 (42.6) | 0.24 |
| No | 78.7 (60.9) | |
| BMI Classifications | ||
| Normal | 47.3 (23.8) | <0.001 |
| Overweight | 62.1 (34.2) | |
| Obese | 84.7 (67.8) | |
| Number of Levels | ||
| 1 | 19.1 (4.7) | 0.55 |
| 2 | 62.4 (60.8) | |
| 3 | 47.3 (5.7) | |
| 4 | 80.4 (42.8) | |
| Involvement of S1 | ||
| Yes | 76.0 (54.9) | 0.04 |
| No | 39.7 (14.1) | |
| Stages of Practice | ||
| 1st | 88.0 (40.0) | 0.19 |
| 2nd | 99.8 (77.2) | |
| 3rd | 69.1 (55.9) | |
| 4th | 55.8 (23.1) | |
| 5th | 57.3 (47.9) | |