Table 1 Measurement results for the ideal position of an infra-acetabular screw
N = 40 | Female | Male | Level of significance female compared to male patients | Total |
|---|---|---|---|---|
Distance medial IPIS (in mm) | 10.6 ± 1.22 (8.5–14.1) | 10.2 ± 0.73 (8.6–12.0) | p = 0.770 | 10.4 ± 1.02 (8.5–14.1) |
Distance caudal IPIS (in mm) | 10.2 ± 1.61 (3.0–13.2) | 10.2 ± 1.07 (8.4–13.7) | p = 0.883 | 10.2 ± 1.36 (3.0–13.70) |
Sagittal angle (α) to PIP (in degrees) | 9.6 ± 1.16 (6.9–12.4) | 11.2 ± 1.57 (8.8–15.1) | p = 0.000 | 10.4 ± 1.58 (6.9–15.10) |
Axial angle (β) to PIP (in degrees) | 71.4 ± 3.55 (66.7–89.4) | 69.5 ± 2.42 (62.3–74.3) | p = 0.006 | 70.5 ± 3.17 (62.3–89.4) |
Screw length (in mm) | 74.8 ± 3.4 (70.20–84.00) | 83.9 ± 2.05 (79.80–88.30) | p = 0.000 | 79.3 ± 5.37 (70.2–88.30) |