Table 1 Comparison of postoperative screw trajectory parameters with ideal screw trajectory parameters in the guide plate group
From: Digital anatomical study and clinical application of the ideal S2 alar-lliac screw trajectory
Group | SA (°) | TA (°) | HD (mm) | VD (mm) |
|---|---|---|---|---|
Ideal screw trajectory | 31.3 ± 2.3 | 42.4 ± 2.3 | 4.7 ± 1.0 | 19.7 ± 1.9 |
Guide template group | 33.1 ± 2.2 | 41.1 ± 3.4 | 4.4 ± 1.1 | 20.2 ± 1.8 |
t value | -3.075 | 1.749 | 0.913 | -1.141 |
P value | 0.003 | 0.086 | 0.365 | 0.258 |