Table 5 M3SI Screw parameters right and left comparison
From: Three-dimensional digital anatomical measurement of modified sacroiliac screws
Parameter | Mean ± SD | Comparison (Right vs Left) | ||
|---|---|---|---|---|
Right (n = 100) | Left (n = 100) | Statistical value | P value | |
R (mm) | 4.07 ± 0.51 | 4.08 ± 0.55 | 1.81※ | 0.71 |
L (mm) | 124.64 ± 12.35 | 124.24 ± 12.64 | 0.88# | 0.38 |
AP (mm) | 33.99 ± 6.33 | 33.43 ± 5.99 | 2.03# | 0.04 |
BS (mm) | 27.75 ± 3.33 | 28.69 ± 3.35 | 3.63# | < 0.01 |
α (°) | 38.44° ± 4.75° | 39.48° ± 4.52° | 1.51# | 0.14 |
β (°) | 6.92° ± 4.89° | 6.63° ± 4.6° | 1.09※ | 0.27 |
γ (°) | 50.25° ± 4.7° | 49.18° ± 4.78° | 1.55# | 0.12 |