Table 2.
Summary of translational and rotational deviation of each positioning system for each type of CBCT
| CBCT | Abosolute translational shifts (mm) Mean (SD, Max) |
Absolute rotational shifts (°) Mean (SD, Max) |
||||
|---|---|---|---|---|---|---|
| X (Lat.) | Y (Vert.) | Z (Long.) | Rx (Pitch) | Ry (Yaw) | Rz (Roll) | |
| Pos_Old (179) | ||||||
| CBCTpTT (60) | 4.0 (3.7, 15.9) | 2.4 (2.2, 9.5) | 5.0 (5.5, 26.4) | 0.8 (0.6, 2.2) | 1.0 (0.7, 2.7) | 0.9 (0.7, 2.7) |
| CBCT12 + 23 (119) | 0.9 (0.9,5.2) | 0.6 (0.7, 4.1) | 0.9 (1.5, 9.6) | 0.2 (0.3, 2.5) | 0.2 (0.3, 1.8) | 0.2 (0.3, 2.2) |
| Pos_New (150) | ||||||
| CBCTpTT (50) | 3.1 (3.7, 22.0) | 1.6 (1.3, 6.2) | 3.6 (3.1, 10.9) | 0.7 (0.6, 2.3) | 0.9 (0.7, 2.0) | 0.9 (0.7, 2.4) |
| CBCT12 + 23 (100) | 0.5 (0.5, 2.7) | 0.6 (0.7, 4.7) | 0.5 (0.5, 2.9) | 0.2 (0.3, 1.3) | 0.2 (0.3, 1.9) | 0.2 (0.3, 1.9) |