Table 1 Comparison of CT Parameters between Trajectory A and Trajectory B
| Â | Â | Trajectory A | Trajectory B | P value |
|---|---|---|---|---|
Transverse angle (°) | Right | 32.0 ±4.6 | 14.4 ± 4.1 | < 0.001 |
Left | 33.6 ± 5.5 | 15.3 ±4.1 | < 0.001 | |
Sagittal angle (°) | Right | 32.8 ± 8.0 | 32.5 ± 8.1 | 0.863 |
Left | 32.4 ±8.4 | 32.7 ± 8.1 | 0.845 | |
Screw length (mm) | Right | 32.1 ±3.3 | 24.7 ± 2.1 | < 0.001 |
Left | 32.9 ±3.7 | 25.5 ±2.6 | < 0.001 | |
Screw width (mm) | Right | 5.5 ±1.0 | 4.4 ±0.7 | < 0.001 |
Left | 5.5 ±1.1 | 4.6 ±0.9 | < 0.001 | |
Sagittal height (mm) | Right | 5.5 ±1.0 | 5.5 ±0.9 | 0.433 |
Left | 5.6 ±1.0 | 5.4 ±0.9 | 0.252 |