Skip to main content

Table 3 Differences between Screws I and Screw II

From: Infra-acetabular screw exited between ischial tuberosity and ischial spine is more suitable for Asian population: a 3D morphometric study

Group Diameter (mm) Length (mm) Anterior (mm) Medial (mm) Sagittal(°) Coronal(°) Transverse(°)
M F M F M F M F M F M F M F
SI 5.63 ± 1.23 4.85 ± 1.14 98.14 ± 4.24 89.84 ± 4.74 6.27 ± 4.11 9.12 ± 4.94 11.20 ± 2.70 13.79 ± 3.06 4.16 ± 2.79 −6.65 ± 4.32 51.28 ± 6.61 54.74 ± 9.55 38.30 ± 6.48 34.08 ± 9.56
SII 6.02 ± 1.36 5.23 ± 1.32 81.05 ± 4.55 78.99 ± 4.11 20.55 ± 4.98 19.81 ± 5.05 11.26 ± 2.60 13.94 ± 3.26 3.86 ± 2.17 −7.88 ± 5.05 76.04 ± 6.71 74.10 ± 7.76 12.78 ± 7.11 12.58 ± 8.01
t 5.128 4.316 35.447 18.808 21.312 15.860 0.211 0.304 0.776 1.968 23.597 23.353 23.831 20.819
p 0.000 0.000 0.000 0.000 0.000 0.000 0.834 0.763 0.442 0.057 0.000 0.000 0.000 0.000
  1. SI Screw I, SII Screw II