Table 7 Angles (in degree) between screw trajectory and anterior pelvic as well midsagittal pelvic plane. Angles in degree between screw trajectory and anterior pelvic as well midsagittal pelvic plane in different sections
Angle screw trajectory/anterior pelvic plane in sagittal section (°) | Angle screw trajectory/midsagittal plane in axial section (°) | Angle screw trajectory/midsagittal plane in coronal section (°) | |
|---|---|---|---|
Patient collective: | |||
Number hemipelvises | 260 | 260 | 260 |
Mean ± SD | 14.0 ± 4.9 | 31.1 ± 12.8 | 8.4 ± 3.6 |
Median | 13.7 | 31.0 | 8.0 |
Range | 2.5–28.6 | 1.5–77.9 | 1.5–20.0 |
Men: | |||
Number hemipelvises | 130 | 130 | 130 |
Mean ± SD | 12.9 ± 4.4 | 37.3 ± 11.0 | 9.5 ± 6.3 |
Median | 12.7 | 36.1 | 9.3 |
Range | 2.5–22.6 | 15.4–77.9 | 1.9–19.8 |
Women: | |||
Number hemipelvises | 130 | 130 | 130 |
Mean ± SD | 15.0 ± 5.0 | 24.9 ± 11.3 | 7.2 ± 3.6 |
Median | 14.2 | 26.9 | 6.9 |
Range | 4.5–28.6 | 1.5–55.7 | 1.5–20.0 |