Morphological Characteristics of the Posterior Wall Associated with Complex Acetabular Fractures: A Radiological Study Using 3D Software and Fracture Mapping Technique
Table 2
Comparison of parameters of PW in different fracture patterns.
Variable
Group A
Group B
//
95% CI
value
Spatial displacement (mm)
10.9 (8.4-15.2)
30.4 (16.8-48.7)
481.000
(-24.520, -13.570)
≤0.001
Articular surface area (cm2)†
Intra-
9.216
(3.153, 4.879)
≤0.001
Extra-
8.008
(5.481, 9.084)
≤0.001
Articular range (°)
Start point
0.8 (-6.0-16.2)
29.5 (19.2-38.0)
454.500
(-30.950, -18.870)
≤0.001
End point
107.5 (97.2-116.9)
117.5 (98.2-127.2)
1087.000
(-14.220, -2.830)
0.007
Marginal impaction, (%)
0 (0)
18 (26)
13.940
(-0.365, -0.157)
≤0.001
Multifragments, (%)
3 (7)
36 (52)
25.061
(-0.594, -0.316)
≤0.001
The values are given as median (IQR). †The values are given as the mean and standard deviation. #95% CI: 95% confidence interval of the difference.
