Table 5.
Correlation between acetabular floor to ischial wall distance and CT measurement values
| Parameters | Control (n = 40 hips) | Hip dysplasia (n = 70 hips) |
|---|---|---|
| Acetabular floor to ischial wall distance | Acetabular floor to ischial wall distance | |
| Acetabular opening angle | ||
| Acetabular anteversion angle (°) | −0.571 (−0.750 to −0.316; < 0.001) | −0.686 (−0.794 to −0.537; < 0.001) |
| Cranial anteversion angle (°) | −0.525 (−0.719 to −0.255; < 0.001) | −0.534 (−0.684 to −0.340; < 0.001) |
| Acetabular coverage | ||
| Superior acetabular sector angle (°) | 0.239 (−0.078 to 0.513; 0.137) | −0.025 (−0.260 to 0.2127; 0.837) |
| Axial acetabular sector angle (°) | −0.072 (−0.375 to 0.245; 0.658) | −0.176 (−0.396 to 0.064; 0.149) |
| Acetabular depth | ||
| Coronal acetabular depth ratio (%) | −0.084 (−0.386 to 0.233; 0.605) | 0.007 (−0.230 to 0.243; 0.956) |
| Axial acetabular depth ratio (%) | −0.102 (−0.401 to 0.217; 0.532) | −0.274 (−0.480 to −0.040; 0.023) |
| Innominate rotation angles | ||
| Superior iliac angle (°) | −0.433 (−0.656 to −0.141; 0.005) | −0.287 (−0.491 to −0.054; 0.017) |
| Inferior iliac angle (°) | −0.669 (−0.811 to −0.452; < 0.001) | −0.570 (−0.711 to −0.386; < 0.001) |
| Ischiopubic angle (°) | −0.639 (−0.793 to −0.409; < 0.001) | −0.602 (−0.734 to −0.426; < 0.001) |
Values are presented as correlation coefficients (95% CI; p value).