Table 1 Effect of pedicle screw angulation versus standard acquisition trajectory
p | \({\eta }_{p}^{2}\) | Cohens d | |
|---|---|---|---|
Overall (Th10–L5) | |||
Subjective image quality (Q1–Q9) | < 0.001 | 0.481 | 0.96 |
Spinal canal and dorsal vertebral body (Q1–Q3) | 0.017 | 0.131 | 0.39 |
Vertebral pedicle (Q4–Q6) | < 0.001 | 0.531 | 1.06 |
Screw length and ventral vertebral body (Q7–Q8) | < 0.001 | 0.522 | 1.05 |
Clinical assessability (Q9) | < 0.001 | 0.443 | 0.89 |
Spine area 1 (Th10–L1) | |||
Subjective image quality (Q1–Q9) | < 0.001 | 0.624 | 1.29 |
Spinal canal and dorsal vertebral body (Q1–Q3) | 0.029 | 0.239 | 0.56 |
Vertebral pedicle (Q4–Q6) | < 0.001 | 0.697 | 1.52 |
Screw length and ventral vertebral body (Q7–Q8) | 0.001 | 0.597 | 1.22 |
Clinical assessability (Q9) | < 0.001 | 0.601 | 1.23 |
Spine area 2 (L2–L5) | |||
Subjective image quality (Q1–Q9) | 0.003 | 0.368 | 0.76 |
Spinal canal and dorsal vertebral body (Q1–Q3) | 0.209 | 0.117 | |
Vertebral pedicle (Q4–Q6) | 0.003 | 0.368 | 0.76 |
Screw length and ventral vertebral body (Q7–Q8) | 0.003 | 0.475 | 0.95 |
Clinical assessability (Q9) | 0.007 | 0.323 | 0.69 |