Table 3. Cone beam CT and fluoroscopy characteristics.
| Characteristics | Values |
|---|---|
| Cone beam CT spins performed | 1.5±0.7/ 1 [1–4] |
| One | 148 (61.4) |
| Two | 70 (29.0) |
| Three | 19 (7.9) |
| Four | 4 (1.7) |
| Significant CT-to-body divergence affecting the procedure | |
| Yes | 37 (15.4) |
| No | 204 (84.6) |
| Total fluoroscopy time (min) | 5.6±2.9 |
| Target visible with fluoroscopy | |
| Yes | 65 (24.2) |
| No | 204 (75.8) |
| Radiation dose | |
| Cumulative air kerma (mGy) | 63.5±46.7 |
| Cumulative DAP (Gy·cm2) | 22.6±16.0 |
Data are presented as mean ± standard deviation or median [range] or n (%). CT, computed tomography; DAP, dose area product.