Table 3 M2SI 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) | 4.68 ± 0.32 | 4.69 ± 0.3 | 1.29※ | 0.19 |
L (mm) | 111.24 ± 6.97 | 111.04 ± 7.44 | 0.54# | 0.59 |
AP (mm) | 25.58 ± 4.56 | 25.29 ± 4.52 | 0.99# | 0.33 |
BS (mm) | 28.49 ± 4.06 | 29.68 ± 3.49 | 4.29# | < 0.01 |
α (°) | 38.91° ± 4.48° | 39.3° ± 4.55° | 0.84※ | 0.41 |
β (°) | 25.2° ± 5.67° | 25° ± 6.08° | 0.48# | 0.63 |
γ (°) | 40.08° ± 5.93° | 39.83° ± 5.24° | 0.40# | 0.69 |