|
Cup inclination
|
Cup anteversion
|
Stem antetorsion
|
CA
|
---|
Preoperatively planned value (°)
|
39.4 (1.4)
|
16.3 (6.3)
|
26.2 (8.1)
|
34.4 (7.2)
|
Postoperative CT measurement (°)
|
39.2 (4.2)
|
16.9 (6.3)
|
25.8 (8.7)
|
34.6 (7.7)
|
P value
|
0.57
|
0.40
|
0.82
|
0.62
|
Absolute error (°)
|
3.2 (2.3)
|
4.0 (3.5)
|
3.9 (5.0)
|
5.3 (5.2)
|
- CA combined anteversion. The figures in parentheses are standard deviations. The preoperatively planned values and postoperative CT measurements are expressed as radiographic angles relative to an anterior pelvic plane value of 0°